feat: introduce feed management for individual and professor modules across frontend and backend services.

This commit is contained in:
Elmar Kresse
2025-11-22 21:20:41 +01:00
parent 34ad90d50d
commit ac6e1fe0dd
21 changed files with 1655 additions and 240 deletions

View File

@@ -31,6 +31,9 @@ type Feed struct {
Created string `protobuf:"bytes,4,opt,name=created,proto3" json:"created,omitempty"`
Updated string `protobuf:"bytes,5,opt,name=updated,proto3" json:"updated,omitempty"`
Deleted bool `protobuf:"varint,6,opt,name=deleted,proto3" json:"deleted,omitempty"`
Type string `protobuf:"bytes,7,opt,name=type,proto3" json:"type,omitempty"` // "prof" or "student"
User string `protobuf:"bytes,8,opt,name=user,proto3" json:"user,omitempty"` // User ID relation
UserEmail string `protobuf:"bytes,9,opt,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"` // User Email for filtering
}
func (x *Feed) Reset() {
@@ -107,6 +110,27 @@ func (x *Feed) GetDeleted() bool {
return false
}
func (x *Feed) GetType() string {
if x != nil {
return x.Type
}
return ""
}
func (x *Feed) GetUser() string {
if x != nil {
return x.User
}
return ""
}
func (x *Feed) GetUserEmail() string {
if x != nil {
return x.UserEmail
}
return ""
}
type GetFeedRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -204,7 +228,7 @@ func (x *GetFeedResponse) GetFeed() *Feed {
var File_feeds_proto protoreflect.FileDescriptor
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var (

View File

@@ -0,0 +1,175 @@
package professor
import (
"fmt"
"strings"
)
// ExtractNameFromEmail extracts the first and last name from a professor's email.
// Expected format: firstname.lastname@htwk-leipzig.de
func ExtractNameFromEmail(email string) (firstName, lastName string, err error) {
parts := strings.Split(email, "@")
if len(parts) != 2 {
return "", "", fmt.Errorf("invalid email format")
}
nameParts := strings.Split(parts[0], ".")
if len(nameParts) < 2 {
return "", "", fmt.Errorf("email does not contain dot separator")
}
// Extract first and last name
firstName = nameParts[0]
lastName = nameParts[len(nameParts)-1]
// Capitalize first letter
if len(firstName) > 0 {
firstName = strings.ToUpper(firstName[:1]) + firstName[1:]
}
if len(lastName) > 0 {
lastName = strings.ToUpper(lastName[:1]) + lastName[1:]
}
return firstName, lastName, nil
}
// CalculateConfidenceScore returns a score from 0.0 to 1.0 indicating how confident we are
// that this professor string matches the given first and last name
// 1.0 = perfect match (both first and last name exact)
// 0.7-0.9 = good match (last name exact, first name fuzzy or present)
// 0.4-0.6 = possible match (last name fuzzy or partial)
// 0.1-0.3 = weak match (last name substring)
// 0.0 = no match
func CalculateConfidenceScore(profString, firstName, lastName string) float64 {
// Normalize the professor string: remove common titles and split into words
profString = strings.ToLower(profString)
// Remove common titles
titles := []string{"prof.", "dr.", "arch.", "ing.", "dipl.", "m.sc.", "b.sc.", "ph.d."}
for _, title := range titles {
profString = strings.ReplaceAll(profString, title, "")
}
// Split by spaces, hyphens, and other separators
words := strings.FieldsFunc(profString, func(r rune) bool {
return r == ' ' || r == '-' || r == ',' || r == '.'
})
// Normalize firstName and lastName
firstNameLower := strings.ToLower(firstName)
lastNameLower := strings.ToLower(lastName)
lastNameExact := false
lastNameFuzzy := false
lastNameSubstring := false
firstNameExact := false
firstNameFuzzy := false
for _, word := range words {
word = strings.TrimSpace(word)
if word == "" {
continue
}
// Check last name
if word == lastNameLower {
lastNameExact = true
} else if levenshteinDistance(word, lastNameLower) <= 1 && len(lastNameLower) > 3 {
lastNameFuzzy = true
} else if strings.Contains(word, lastNameLower) || strings.Contains(lastNameLower, word) {
lastNameSubstring = true
}
// Check first name
if word == firstNameLower {
firstNameExact = true
} else if levenshteinDistance(word, firstNameLower) <= 1 && len(firstNameLower) > 3 {
firstNameFuzzy = true
}
}
// Calculate confidence score based on matches
score := 0.0
if lastNameExact {
if firstNameExact {
score = 1.0 // Perfect match
} else if firstNameFuzzy {
score = 0.9 // Excellent match
} else {
score = 0.8 // Good match (last name exact, no first name match)
}
} else if lastNameFuzzy {
if firstNameExact || firstNameFuzzy {
score = 0.6 // Decent match (fuzzy last name but first name matches)
} else {
score = 0.5 // Medium match (fuzzy last name, no first name)
}
} else if lastNameSubstring {
score = 0.2 // Weak match (substring only)
}
return score
}
// MatchesProfessor checks if the professor string matches the given last name (and optional first name)
// It uses a simplified check suitable for filtering events where we want high recall but reasonable precision.
// It returns true if the confidence score is > 0.
func MatchesProfessor(profString, firstName, lastName string) bool {
return CalculateConfidenceScore(profString, firstName, lastName) > 0
}
// levenshteinDistance calculates the Levenshtein distance between two strings
func levenshteinDistance(s1, s2 string) int {
if len(s1) == 0 {
return len(s2)
}
if len(s2) == 0 {
return len(s1)
}
// Create a 2D array for dynamic programming
d := make([][]int, len(s1)+1)
for i := range d {
d[i] = make([]int, len(s2)+1)
}
// Initialize first column and row
for i := 0; i <= len(s1); i++ {
d[i][0] = i
}
for j := 0; j <= len(s2); j++ {
d[0][j] = j
}
// Fill the matrix
for i := 1; i <= len(s1); i++ {
for j := 1; j <= len(s2); j++ {
cost := 0
if s1[i-1] != s2[j-1] {
cost = 1
}
d[i][j] = min(
d[i-1][j]+1, // deletion
d[i][j-1]+1, // insertion
d[i-1][j-1]+cost, // substitution
)
}
}
return d[len(s1)][len(s2)]
}
func min(a, b, c int) int {
if a < b {
if a < c {
return a
}
return c
}
if b < c {
return b
}
return c
}

View File

@@ -0,0 +1,791 @@
package migrations
import (
"github.com/pocketbase/pocketbase/core"
m "github.com/pocketbase/pocketbase/migrations"
)
func init() {
m.Register(func(app core.App) error {
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"deleteRule": null,
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"presentable": false,
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"required": true,
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},
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}
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"system": true,
"type": "base",
"updateRule": null,
"viewRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId"
},
{
"authAlert": {
"emailTemplate": {
"body": "<p>Hello,</p>\n<p>We noticed a login to your {APP_NAME} account from a new location.</p>\n<p>If this was you, you may disregard this email.</p>\n<p><strong>If this wasn't you, you should immediately change your {APP_NAME} account password to revoke access from all other locations.</strong></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Login from a new location"
},
"enabled": true
},
"authRule": "",
"authToken": {
"duration": 86400
},
"confirmEmailChangeTemplate": {
"body": "<p>Hello,</p>\n<p>Click on the button below to confirm your new email address.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-email-change/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Confirm new email</a>\n</p>\n<p><i>If you didn't ask to change your email address, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Confirm your {APP_NAME} new email address"
},
"createRule": null,
"deleteRule": null,
"emailChangeToken": {
"duration": 1800
},
"fields": [
{
"autogeneratePattern": "[a-z0-9]{15}",
"hidden": false,
"id": "text3208210256",
"max": 15,
"min": 15,
"name": "id",
"pattern": "^[a-z0-9]+$",
"presentable": false,
"primaryKey": true,
"required": true,
"system": true,
"type": "text"
},
{
"cost": 0,
"hidden": true,
"id": "password901924565",
"max": 0,
"min": 8,
"name": "password",
"pattern": "",
"presentable": false,
"required": true,
"system": true,
"type": "password"
},
{
"autogeneratePattern": "[a-zA-Z0-9]{50}",
"hidden": true,
"id": "text2504183744",
"max": 60,
"min": 30,
"name": "tokenKey",
"pattern": "",
"presentable": false,
"primaryKey": false,
"required": true,
"system": true,
"type": "text"
},
{
"exceptDomains": null,
"hidden": false,
"id": "email3885137012",
"name": "email",
"onlyDomains": null,
"presentable": false,
"required": true,
"system": true,
"type": "email"
},
{
"hidden": false,
"id": "bool1547992806",
"name": "emailVisibility",
"presentable": false,
"required": false,
"system": true,
"type": "bool"
},
{
"hidden": false,
"id": "bool256245529",
"name": "verified",
"presentable": false,
"required": false,
"system": true,
"type": "bool"
},
{
"hidden": false,
"id": "autodate2990389176",
"name": "created",
"onCreate": true,
"onUpdate": false,
"presentable": false,
"system": true,
"type": "autodate"
},
{
"hidden": false,
"id": "autodate3332085495",
"name": "updated",
"onCreate": true,
"onUpdate": true,
"presentable": false,
"system": true,
"type": "autodate"
}
],
"fileToken": {
"duration": 180
},
"id": "pbc_3142635823",
"indexes": [
"CREATE UNIQUE INDEX ` + "`" + `idx_tokenKey_pbc_3142635823` + "`" + ` ON ` + "`" + `_superusers` + "`" + ` (` + "`" + `tokenKey` + "`" + `)",
"CREATE UNIQUE INDEX ` + "`" + `idx_email_pbc_3142635823` + "`" + ` ON ` + "`" + `_superusers` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''"
],
"listRule": null,
"manageRule": null,
"mfa": {
"duration": 1800,
"enabled": false,
"rule": ""
},
"name": "_superusers",
"oauth2": {
"enabled": false,
"mappedFields": {
"avatarURL": "",
"id": "",
"name": "",
"username": ""
}
},
"otp": {
"duration": 180,
"emailTemplate": {
"body": "<p>Hello,</p>\n<p>Your one-time password is: <strong>{OTP}</strong></p>\n<p><i>If you didn't ask for the one-time password, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "OTP for {APP_NAME}"
},
"enabled": false,
"length": 8
},
"passwordAuth": {
"enabled": true,
"identityFields": [
"email"
]
},
"passwordResetToken": {
"duration": 1800
},
"resetPasswordTemplate": {
"body": "<p>Hello,</p>\n<p>Click on the button below to reset your password.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-password-reset/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Reset password</a>\n</p>\n<p><i>If you didn't ask to reset your password, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Reset your {APP_NAME} password"
},
"system": true,
"type": "auth",
"updateRule": null,
"verificationTemplate": {
"body": "<p>Hello,</p>\n<p>Thank you for joining us at {APP_NAME}.</p>\n<p>Click on the button below to verify your email address.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-verification/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Verify</a>\n</p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Verify your {APP_NAME} email"
},
"verificationToken": {
"duration": 259200
},
"viewRule": null
},
{
"authAlert": {
"emailTemplate": {
"body": "<p>Hello,</p>\n<p>We noticed a login to your {APP_NAME} account from a new location.</p>\n<p>If this was you, you may disregard this email.</p>\n<p><strong>If this wasn't you, you should immediately change your {APP_NAME} account password to revoke access from all other locations.</strong></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Login from a new location"
},
"enabled": true
},
"authRule": "",
"authToken": {
"duration": 604800
},
"confirmEmailChangeTemplate": {
"body": "<p>Hello,</p>\n<p>Click on the button below to confirm your new email address.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-email-change/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Confirm new email</a>\n</p>\n<p><i>If you didn't ask to change your email address, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Confirm your {APP_NAME} new email address"
},
"createRule": "",
"deleteRule": "id = @request.auth.id",
"emailChangeToken": {
"duration": 1800
},
"fields": [
{
"autogeneratePattern": "[a-z0-9]{15}",
"hidden": false,
"id": "text3208210256",
"max": 15,
"min": 15,
"name": "id",
"pattern": "^[a-z0-9]+$",
"presentable": false,
"primaryKey": true,
"required": true,
"system": true,
"type": "text"
},
{
"cost": 0,
"hidden": true,
"id": "password901924565",
"max": 0,
"min": 8,
"name": "password",
"pattern": "",
"presentable": false,
"required": true,
"system": true,
"type": "password"
},
{
"autogeneratePattern": "[a-zA-Z0-9]{50}",
"hidden": true,
"id": "text2504183744",
"max": 60,
"min": 30,
"name": "tokenKey",
"pattern": "",
"presentable": false,
"primaryKey": false,
"required": true,
"system": true,
"type": "text"
},
{
"exceptDomains": null,
"hidden": false,
"id": "email3885137012",
"name": "email",
"onlyDomains": null,
"presentable": false,
"required": true,
"system": true,
"type": "email"
},
{
"hidden": false,
"id": "bool1547992806",
"name": "emailVisibility",
"presentable": false,
"required": false,
"system": true,
"type": "bool"
},
{
"hidden": false,
"id": "bool256245529",
"name": "verified",
"presentable": false,
"required": false,
"system": true,
"type": "bool"
},
{
"autogeneratePattern": "",
"hidden": false,
"id": "text1579384326",
"max": 255,
"min": 0,
"name": "name",
"pattern": "",
"presentable": false,
"primaryKey": false,
"required": false,
"system": false,
"type": "text"
},
{
"hidden": false,
"id": "file376926767",
"maxSelect": 1,
"maxSize": 0,
"mimeTypes": [
"image/jpeg",
"image/png",
"image/svg+xml",
"image/gif",
"image/webp"
],
"name": "avatar",
"presentable": false,
"protected": false,
"required": false,
"system": false,
"thumbs": null,
"type": "file"
},
{
"hidden": false,
"id": "autodate2990389176",
"name": "created",
"onCreate": true,
"onUpdate": false,
"presentable": false,
"system": false,
"type": "autodate"
},
{
"hidden": false,
"id": "autodate3332085495",
"name": "updated",
"onCreate": true,
"onUpdate": true,
"presentable": false,
"system": false,
"type": "autodate"
}
],
"fileToken": {
"duration": 180
},
"id": "_pb_users_auth_",
"indexes": [
"CREATE UNIQUE INDEX ` + "`" + `idx_tokenKey__pb_users_auth_` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `tokenKey` + "`" + `)",
"CREATE UNIQUE INDEX ` + "`" + `idx_email__pb_users_auth_` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''"
],
"listRule": "id = @request.auth.id",
"manageRule": null,
"mfa": {
"duration": 1800,
"enabled": false,
"rule": ""
},
"name": "users",
"oauth2": {
"enabled": false,
"mappedFields": {
"avatarURL": "avatar",
"id": "",
"name": "name",
"username": ""
}
},
"otp": {
"duration": 180,
"emailTemplate": {
"body": "<p>Hello,</p>\n<p>Your one-time password is: <strong>{OTP}</strong></p>\n<p><i>If you didn't ask for the one-time password, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "OTP for {APP_NAME}"
},
"enabled": false,
"length": 8
},
"passwordAuth": {
"enabled": true,
"identityFields": [
"email"
]
},
"passwordResetToken": {
"duration": 1800
},
"resetPasswordTemplate": {
"body": "<p>Hello,</p>\n<p>Click on the button below to reset your password.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-password-reset/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Reset password</a>\n</p>\n<p><i>If you didn't ask to reset your password, you can ignore this email.</i></p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Reset your {APP_NAME} password"
},
"system": false,
"type": "auth",
"updateRule": "id = @request.auth.id",
"verificationTemplate": {
"body": "<p>Hello,</p>\n<p>Thank you for joining us at {APP_NAME}.</p>\n<p>Click on the button below to verify your email address.</p>\n<p>\n <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-verification/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Verify</a>\n</p>\n<p>\n Thanks,<br/>\n {APP_NAME} team\n</p>",
"subject": "Verify your {APP_NAME} email"
},
"verificationToken": {
"duration": 259200
},
"viewRule": "id = @request.auth.id"
}
]`
return app.ImportCollectionsByMarshaledJSON([]byte(jsonData), false)
}, func(app core.App) error {
return nil
})
}

View File

@@ -27,6 +27,8 @@ type Feed struct {
Created types.DateTime `db:"created" json:"created"`
Updated types.DateTime `db:"updated" json:"updated"`
Deleted bool `db:"deleted" json:"deleted"`
Type string `db:"type" json:"type"` // "prof" or "student"
User string `db:"user" json:"user"` // Relation to users table
core.BaseModel
}

View File

@@ -18,12 +18,13 @@ package db
import (
"errors"
"htwkalender/data-manager/model"
"time"
"github.com/pocketbase/dbx"
"github.com/pocketbase/pocketbase"
"github.com/pocketbase/pocketbase/core"
"github.com/pocketbase/pocketbase/tools/types"
"htwkalender/data-manager/model"
"time"
)
var _ core.RecordProxy = (*Feed)(nil)
@@ -80,6 +81,22 @@ func (f *Feed) GetUpdated() types.DateTime {
return f.GetDateTime("updated")
}
func (f *Feed) GetType() string {
return f.GetString("type")
}
func (f *Feed) SetType(feedType string) {
f.Set("type", feedType)
}
func (f *Feed) GetUser() string {
return f.GetString("user")
}
func (f *Feed) SetUser(user string) {
f.Set("user", user)
}
func newFeed(record *core.Record) *Feed {
return &Feed{
BaseRecordProxy: core.BaseRecordProxy{Record: record},
@@ -99,6 +116,13 @@ func NewFeed(collection *core.Collection, feed model.Feed) (*Feed, error) {
dbFeed.SetModules(feed.Modules)
dbFeed.SetRetrieved(feed.Retrieved)
dbFeed.SetDeleted(feed.Deleted)
// Set type to "student" as default if not specified
if feed.Type == "" {
dbFeed.SetType("student")
} else {
dbFeed.SetType(feed.Type)
}
dbFeed.SetUser(feed.User)
return dbFeed, nil
}
@@ -110,6 +134,8 @@ func (f *Feed) ToModel() model.Feed {
Created: f.GetCreated(),
Updated: f.GetUpdated(),
Deleted: f.GetDeleted(),
Type: f.GetType(),
User: f.GetUser(),
BaseModel: core.BaseModel{
Id: f.GetId(),
},
@@ -143,6 +169,8 @@ func FindFeedByToken(app *pocketbase.PocketBase, token string) (*model.Feed, err
feed.Modules = record.GetString("modules")
feed.Retrieved = record.GetDateTime("retrieved")
feed.Deleted = record.GetBool("deleted")
feed.Type = record.GetString("type")
feed.User = record.GetString("user")
//update retrieved time if the is not marked as deleted
if !record.GetBool("deleted") {

View File

@@ -2,9 +2,10 @@ package grpc
import (
"context"
"github.com/pocketbase/pocketbase"
pb "htwkalender/common/genproto/modules"
"htwkalender/data-manager/service/db"
"github.com/pocketbase/pocketbase"
)
type FeedServiceHandler struct {
@@ -25,9 +26,17 @@ func (s *FeedServiceHandler) GetFeed(ctx context.Context, in *pb.GetFeedRequest)
return nil, err
}
// Implement your logic here to fetch feed data based on the UUID
// Example response
pbFeed := feedToProto(feed)
// If feed has a user linked, fetch the user's email
if feed.User != "" {
user, err := s.app.FindRecordById("users", feed.User)
if err == nil && user != nil {
pbFeed.UserEmail = user.Email()
}
}
return &pb.GetFeedResponse{
Feed: feedToProto(feed),
Feed: pbFeed,
}, nil
}

View File

@@ -40,5 +40,7 @@ func feedToProto(feed *model.Feed) *pb.Feed {
Retrieved: feed.Retrieved.String(),
Modules: feed.Modules,
Deleted: feed.Deleted,
Type: feed.Type,
User: feed.User,
}
}

View File

@@ -18,17 +18,33 @@ package ical
import (
"encoding/json"
"github.com/pocketbase/pocketbase"
"github.com/pocketbase/pocketbase/apis"
"htwkalender/data-manager/model"
"htwkalender/data-manager/service/db"
"github.com/pocketbase/pocketbase"
"github.com/pocketbase/pocketbase/apis"
)
func CreateIndividualFeed(modules []model.FeedCollection, pb *pocketbase.PocketBase) (string, error) {
return CreateIndividualFeedWithType(modules, "", "", pb)
}
// CreateIndividualFeedWithType creates a feed with specified type and user
func CreateIndividualFeedWithType(modules []model.FeedCollection, feedType string, userId string, pb *pocketbase.PocketBase) (string, error) {
var icalFeed model.Feed
jsonModules, _ := json.Marshal(modules)
icalFeed.Modules = string(jsonModules)
// Set feed type (defaults to "student" in SaveFeed if not provided)
if feedType != "" {
icalFeed.Type = feedType
}
// Set user relation for professor feeds
if userId != "" {
icalFeed.User = userId
}
collection, dbError := pb.FindCollectionByNameOrId("feeds")
if dbError != nil {
return "", apis.NewNotFoundError("Collection could not be found", dbError)

View File

@@ -1,10 +1,10 @@
package professor
import (
"fmt"
"htwkalender/data-manager/model"
"log/slog"
"strings"
commonProf "htwkalender/common/professor"
"github.com/pocketbase/dbx"
"github.com/pocketbase/pocketbase"
@@ -20,30 +20,12 @@ func NewProfessorService(app *pocketbase.PocketBase) *ProfessorService {
func (s *ProfessorService) GetModulesForProfessor(email string) ([]model.ModuleDTO, error) {
// Extract name from email
// Format: firstname.lastname@htwk-leipzig.de
parts := strings.Split(email, "@")
if len(parts) != 2 {
return nil, fmt.Errorf("invalid email format")
}
nameParts := strings.Split(parts[0], ".")
if len(nameParts) < 2 {
slog.Warn("Email does not contain dot separator", "email", email)
firstName, lastName, err := commonProf.ExtractNameFromEmail(email)
if err != nil {
slog.Warn("Failed to extract name from email", "email", email, "error", err)
return []model.ModuleDTO{}, nil
}
// Extract first and last name
firstName := nameParts[0]
lastName := nameParts[len(nameParts)-1]
// Capitalize first letter
if len(firstName) > 0 {
firstName = strings.ToUpper(firstName[:1]) + firstName[1:]
}
if len(lastName) > 0 {
lastName = strings.ToUpper(lastName[:1]) + lastName[1:]
}
slog.Info("Searching for modules for professor", "firstName", firstName, "lastName", lastName, "email", email)
// First, get all distinct modules with their professors
@@ -57,7 +39,7 @@ func (s *ProfessorService) GetModulesForProfessor(email string) ([]model.ModuleD
}
var allEvents []EventProf
err := s.app.DB().
err = s.app.DB().
Select("Name", "EventType", "Prof", "course", "semester", "uuid").
From("events").
Where(dbx.NewExp("Prof != ''")).
@@ -74,7 +56,7 @@ func (s *ProfessorService) GetModulesForProfessor(email string) ([]model.ModuleD
seenModules := make(map[string]bool) // key: Name+Course to avoid duplicates
for _, event := range allEvents {
score := calculateConfidenceScore(event.Prof, firstName, lastName)
score := commonProf.CalculateConfidenceScore(event.Prof, firstName, lastName)
if score > 0 { // Include all modules with any match
key := event.Name + "|" + event.Course
if !seenModules[key] {
@@ -95,190 +77,3 @@ func (s *ProfessorService) GetModulesForProfessor(email string) ([]model.ModuleD
slog.Info("Found modules for professor", "count", len(modules), "lastName", lastName)
return modules, nil
}
// calculateConfidenceScore returns a score from 0.0 to 1.0 indicating how confident we are
// that this professor string matches the given first and last name
// 1.0 = perfect match (both first and last name exact)
// 0.7-0.9 = good match (last name exact, first name fuzzy or present)
// 0.4-0.6 = possible match (last name fuzzy or partial)
// 0.1-0.3 = weak match (last name substring)
// 0.0 = no match
func calculateConfidenceScore(profString, firstName, lastName string) float64 {
// Normalize the professor string: remove common titles and split into words
profString = strings.ToLower(profString)
// Remove common titles
titles := []string{"prof.", "dr.", "arch.", "ing.", "dipl.", "m.sc.", "b.sc.", "ph.d."}
for _, title := range titles {
profString = strings.ReplaceAll(profString, title, "")
}
// Split by spaces, hyphens, and other separators
words := strings.FieldsFunc(profString, func(r rune) bool {
return r == ' ' || r == '-' || r == ',' || r == '.'
})
// Normalize firstName and lastName
firstNameLower := strings.ToLower(firstName)
lastNameLower := strings.ToLower(lastName)
lastNameExact := false
lastNameFuzzy := false
lastNameSubstring := false
firstNameExact := false
firstNameFuzzy := false
for _, word := range words {
word = strings.TrimSpace(word)
if word == "" {
continue
}
// Check last name
if word == lastNameLower {
lastNameExact = true
} else if levenshteinDistance(word, lastNameLower) <= 1 && len(lastNameLower) > 3 {
lastNameFuzzy = true
} else if strings.Contains(word, lastNameLower) || strings.Contains(lastNameLower, word) {
lastNameSubstring = true
}
// Check first name
if word == firstNameLower {
firstNameExact = true
} else if levenshteinDistance(word, firstNameLower) <= 1 && len(firstNameLower) > 3 {
firstNameFuzzy = true
}
}
// Calculate confidence score based on matches
score := 0.0
if lastNameExact {
if firstNameExact {
score = 1.0 // Perfect match
} else if firstNameFuzzy {
score = 0.9 // Excellent match
} else {
score = 0.8 // Good match (last name exact, no first name match)
}
} else if lastNameFuzzy {
if firstNameExact || firstNameFuzzy {
score = 0.6 // Decent match (fuzzy last name but first name matches)
} else {
score = 0.5 // Medium match (fuzzy last name, no first name)
}
} else if lastNameSubstring {
score = 0.2 // Weak match (substring only)
}
return score
}
// matchesProfessor is deprecated, use calculateConfidenceScore instead
func matchesProfessor(profString, firstName, lastName string) bool {
// Normalize the professor string: remove common titles and split into words
profString = strings.ToLower(profString)
// Remove common titles
titles := []string{"prof.", "dr.", "arch.", "ing.", "dipl.", "m.sc.", "b.sc.", "ph.d."}
for _, title := range titles {
profString = strings.ReplaceAll(profString, title, "")
}
// Split by spaces, hyphens, and other separators
words := strings.FieldsFunc(profString, func(r rune) bool {
return r == ' ' || r == '-' || r == ',' || r == '.'
})
// Normalize firstName and lastName
firstNameLower := strings.ToLower(firstName)
lastNameLower := strings.ToLower(lastName)
lastNameFound := false
firstNameFound := false
for _, word := range words {
word = strings.TrimSpace(word)
if word == "" {
continue
}
// Exact match for last name
if word == lastNameLower {
lastNameFound = true
}
// Exact match for first name (optional, but increases confidence)
if word == firstNameLower {
firstNameFound = true
}
// Also check Levenshtein distance for typos
if !lastNameFound && levenshteinDistance(word, lastNameLower) <= 1 {
lastNameFound = true
}
if !firstNameFound && levenshteinDistance(word, firstNameLower) <= 1 {
firstNameFound = true
}
}
// Match if last name is found (first name is optional for additional confidence)
// We require at least the last name to match
return lastNameFound
}
// levenshteinDistance calculates the Levenshtein distance between two strings
func levenshteinDistance(s1, s2 string) int {
if len(s1) == 0 {
return len(s2)
}
if len(s2) == 0 {
return len(s1)
}
// Create a 2D array for dynamic programming
d := make([][]int, len(s1)+1)
for i := range d {
d[i] = make([]int, len(s2)+1)
}
// Initialize first column and row
for i := 0; i <= len(s1); i++ {
d[i][0] = i
}
for j := 0; j <= len(s2); j++ {
d[0][j] = j
}
// Fill the matrix
for i := 1; i <= len(s1); i++ {
for j := 1; j <= len(s2); j++ {
cost := 0
if s1[i-1] != s2[j-1] {
cost = 1
}
d[i][j] = min(
d[i-1][j]+1, // deletion
d[i][j-1]+1, // insertion
d[i-1][j-1]+cost, // substitution
)
}
}
return d[len(s1)][len(s2)]
}
func min(a, b, c int) int {
if a < b {
if a < c {
return a
}
return c
}
if b < c {
return b
}
return c
}

View File

@@ -1,6 +1,9 @@
package professor
import (
"htwkalender/data-manager/model"
"htwkalender/data-manager/service/ical"
"log/slog"
"net/http"
"github.com/pocketbase/pocketbase/apis"
@@ -26,4 +29,35 @@ func RegisterRoutes(se *core.ServeEvent, service *ProfessorService) {
return e.JSON(http.StatusOK, modules)
}).Bind(apis.RequireAuth())
// POST /api/professor/feed - Create a professor-specific feed
se.Router.POST("/api/professor/feed", func(e *core.RequestEvent) error {
record := e.Auth
if record == nil {
return apis.NewForbiddenError("Only authenticated users can access this endpoint", nil)
}
userId := record.Id
if userId == "" {
return apis.NewBadRequestError("User ID not found", nil)
}
// Bind the feed collection from request body
var feedCollection []model.FeedCollection
err := e.BindBody(&feedCollection)
if err != nil {
slog.Error("Failed to bind request body", "error", err)
return apis.NewBadRequestError("Invalid request body", err)
}
// Create feed with type="prof" and link to authenticated user
token, err := ical.CreateIndividualFeedWithType(feedCollection, "prof", userId, service.app)
if err != nil {
slog.Error("Failed to create professor feed", "error", err, "userId", userId)
return apis.NewInternalServerError("Failed to create professor feed", err)
}
slog.Info("Created professor feed", "userId", userId, "token", token)
return e.JSON(http.StatusOK, token)
}).Bind(apis.RequireAuth())
}

View File

@@ -27,6 +27,9 @@ type BaseModel struct {
type Feed struct {
Modules string `db:"modules" json:"modules"`
Retrieved JSONTime `db:"retrieved" json:"retrieved"`
Deleted bool `db:"deleted" json:"deleted"`
Type string `db:"type" json:"type"` // "prof" or "student"
User string `db:"user" json:"user"` // Relation to users table
BaseModel
}

View File

@@ -62,6 +62,9 @@ type FeedRecord struct {
Modules []FeedModule `db:"modules" json:"modules"`
Retrieved JSONTime `db:"retrieved" json:"retrieved"`
Deleted bool `db:"deleted" json:"deleted"`
Type string `db:"type" json:"type"` // "prof" or "student"
User string `db:"user" json:"user"` // User ID relation
UserEmail string `db:"user_email" json:"userEmail"` // User Email for filtering
BaseModel
}

View File

@@ -18,12 +18,13 @@ package grpc
import (
"context"
"github.com/goccy/go-json"
"google.golang.org/grpc"
pb "htwkalender/common/genproto/modules"
"htwkalender/ical/model"
"log/slog"
"time"
"github.com/goccy/go-json"
"google.golang.org/grpc"
)
func GetFeed(feedId string, conn *grpc.ClientConn) (model.FeedRecord, error) {
@@ -65,5 +66,8 @@ func protoToFeed(feed *pb.Feed) (model.FeedRecord, error) {
Retrieved: model.ToJSONTime(feed.Retrieved),
Modules: modules,
Deleted: feed.Deleted,
Type: feed.Type,
User: feed.User,
UserEmail: feed.UserEmail,
}, nil
}

View File

@@ -24,6 +24,8 @@ import (
"htwkalender/ical/service/functions"
"log/slog"
"time"
commonProf "htwkalender/common/professor"
)
const expirationTime = 5 * time.Minute
@@ -59,6 +61,11 @@ func Feed(app model.AppType, token string, userAgent string) (string, string, er
return "", "", err
}
// Filter by professor if type is "prof"
if feed.Type == "prof" && feed.UserEmail != "" {
events = filterEventsByProfessor(events, feed.UserEmail)
}
// Sort events by start date
events.Sort()
@@ -126,3 +133,22 @@ func FeedRoom(app model.AppType, room string, userAgent string) (string, string,
return icalFeed.Content, etag, nil
}
func filterEventsByProfessor(events model.Events, email string) model.Events {
if email == "" {
return events
}
firstName, lastName, err := commonProf.ExtractNameFromEmail(email)
if err != nil {
return events
}
var filteredEvents model.Events
for _, event := range events {
if commonProf.MatchesProfessor(event.Prof, firstName, lastName) {
filteredEvents = append(filteredEvents, event)
}
}
return filteredEvents
}

View File

@@ -13,6 +13,9 @@ message Feed {
string created = 4;
string updated = 5;
bool deleted = 6;
string type = 7; // "prof" or "student"
string user = 8; // User ID relation
string user_email = 9; // User Email for filtering
}
message GetFeedRequest {

View File

@@ -0,0 +1,350 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.1
// protoc v5.27.1
// source: feeds.proto
package modules
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type Feed struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
Modules string `protobuf:"bytes,2,opt,name=modules,proto3" json:"modules,omitempty"`
Retrieved string `protobuf:"bytes,3,opt,name=retrieved,proto3" json:"retrieved,omitempty"`
Created string `protobuf:"bytes,4,opt,name=created,proto3" json:"created,omitempty"`
Updated string `protobuf:"bytes,5,opt,name=updated,proto3" json:"updated,omitempty"`
Deleted bool `protobuf:"varint,6,opt,name=deleted,proto3" json:"deleted,omitempty"`
Type string `protobuf:"bytes,7,opt,name=type,proto3" json:"type,omitempty"` // "prof" or "student"
User string `protobuf:"bytes,8,opt,name=user,proto3" json:"user,omitempty"` // User ID relation
UserEmail string `protobuf:"bytes,9,opt,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"` // User Email for filtering
}
func (x *Feed) Reset() {
*x = Feed{}
if protoimpl.UnsafeEnabled {
mi := &file_feeds_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Feed) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Feed) ProtoMessage() {}
func (x *Feed) ProtoReflect() protoreflect.Message {
mi := &file_feeds_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Feed.ProtoReflect.Descriptor instead.
func (*Feed) Descriptor() ([]byte, []int) {
return file_feeds_proto_rawDescGZIP(), []int{0}
}
func (x *Feed) GetId() string {
if x != nil {
return x.Id
}
return ""
}
func (x *Feed) GetModules() string {
if x != nil {
return x.Modules
}
return ""
}
func (x *Feed) GetRetrieved() string {
if x != nil {
return x.Retrieved
}
return ""
}
func (x *Feed) GetCreated() string {
if x != nil {
return x.Created
}
return ""
}
func (x *Feed) GetUpdated() string {
if x != nil {
return x.Updated
}
return ""
}
func (x *Feed) GetDeleted() bool {
if x != nil {
return x.Deleted
}
return false
}
func (x *Feed) GetType() string {
if x != nil {
return x.Type
}
return ""
}
func (x *Feed) GetUser() string {
if x != nil {
return x.User
}
return ""
}
func (x *Feed) GetUserEmail() string {
if x != nil {
return x.UserEmail
}
return ""
}
type GetFeedRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
}
func (x *GetFeedRequest) Reset() {
*x = GetFeedRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_feeds_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetFeedRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetFeedRequest) ProtoMessage() {}
func (x *GetFeedRequest) ProtoReflect() protoreflect.Message {
mi := &file_feeds_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetFeedRequest.ProtoReflect.Descriptor instead.
func (*GetFeedRequest) Descriptor() ([]byte, []int) {
return file_feeds_proto_rawDescGZIP(), []int{1}
}
func (x *GetFeedRequest) GetId() string {
if x != nil {
return x.Id
}
return ""
}
type GetFeedResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Feed *Feed `protobuf:"bytes,1,opt,name=feed,proto3" json:"feed,omitempty"`
}
func (x *GetFeedResponse) Reset() {
*x = GetFeedResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_feeds_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetFeedResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetFeedResponse) ProtoMessage() {}
func (x *GetFeedResponse) ProtoReflect() protoreflect.Message {
mi := &file_feeds_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetFeedResponse.ProtoReflect.Descriptor instead.
func (*GetFeedResponse) Descriptor() ([]byte, []int) {
return file_feeds_proto_rawDescGZIP(), []int{2}
}
func (x *GetFeedResponse) GetFeed() *Feed {
if x != nil {
return x.Feed
}
return nil
}
var File_feeds_proto protoreflect.FileDescriptor
var file_feeds_proto_rawDesc = []byte{
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0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_feeds_proto_rawDescOnce sync.Once
file_feeds_proto_rawDescData = file_feeds_proto_rawDesc
)
func file_feeds_proto_rawDescGZIP() []byte {
file_feeds_proto_rawDescOnce.Do(func() {
file_feeds_proto_rawDescData = protoimpl.X.CompressGZIP(file_feeds_proto_rawDescData)
})
return file_feeds_proto_rawDescData
}
var file_feeds_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_feeds_proto_goTypes = []interface{}{
(*Feed)(nil), // 0: Feed
(*GetFeedRequest)(nil), // 1: GetFeedRequest
(*GetFeedResponse)(nil), // 2: GetFeedResponse
}
var file_feeds_proto_depIdxs = []int32{
0, // 0: GetFeedResponse.feed:type_name -> Feed
1, // 1: FeedService.GetFeed:input_type -> GetFeedRequest
2, // 2: FeedService.GetFeed:output_type -> GetFeedResponse
2, // [2:3] is the sub-list for method output_type
1, // [1:2] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
}
func init() { file_feeds_proto_init() }
func file_feeds_proto_init() {
if File_feeds_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_feeds_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Feed); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_feeds_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetFeedRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_feeds_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetFeedResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_feeds_proto_rawDesc,
NumEnums: 0,
NumMessages: 3,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_feeds_proto_goTypes,
DependencyIndexes: file_feeds_proto_depIdxs,
MessageInfos: file_feeds_proto_msgTypes,
}.Build()
File_feeds_proto = out.File
file_feeds_proto_rawDesc = nil
file_feeds_proto_goTypes = nil
file_feeds_proto_depIdxs = nil
}

View File

@@ -0,0 +1,105 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.2.0
// - protoc v5.27.1
// source: feeds.proto
package modules
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.32.0 or later.
const _ = grpc.SupportPackageIsVersion7
// FeedServiceClient is the client API for FeedService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type FeedServiceClient interface {
GetFeed(ctx context.Context, in *GetFeedRequest, opts ...grpc.CallOption) (*GetFeedResponse, error)
}
type feedServiceClient struct {
cc grpc.ClientConnInterface
}
func NewFeedServiceClient(cc grpc.ClientConnInterface) FeedServiceClient {
return &feedServiceClient{cc}
}
func (c *feedServiceClient) GetFeed(ctx context.Context, in *GetFeedRequest, opts ...grpc.CallOption) (*GetFeedResponse, error) {
out := new(GetFeedResponse)
err := c.cc.Invoke(ctx, "/FeedService/GetFeed", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// FeedServiceServer is the server API for FeedService service.
// All implementations must embed UnimplementedFeedServiceServer
// for forward compatibility
type FeedServiceServer interface {
GetFeed(context.Context, *GetFeedRequest) (*GetFeedResponse, error)
mustEmbedUnimplementedFeedServiceServer()
}
// UnimplementedFeedServiceServer must be embedded to have forward compatible implementations.
type UnimplementedFeedServiceServer struct {
}
func (UnimplementedFeedServiceServer) GetFeed(context.Context, *GetFeedRequest) (*GetFeedResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetFeed not implemented")
}
func (UnimplementedFeedServiceServer) mustEmbedUnimplementedFeedServiceServer() {}
// UnsafeFeedServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to FeedServiceServer will
// result in compilation errors.
type UnsafeFeedServiceServer interface {
mustEmbedUnimplementedFeedServiceServer()
}
func RegisterFeedServiceServer(s grpc.ServiceRegistrar, srv FeedServiceServer) {
s.RegisterService(&FeedService_ServiceDesc, srv)
}
func _FeedService_GetFeed_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetFeedRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(FeedServiceServer).GetFeed(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/FeedService/GetFeed",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(FeedServiceServer).GetFeed(ctx, req.(*GetFeedRequest))
}
return interceptor(ctx, in, info, handler)
}
// FeedService_ServiceDesc is the grpc.ServiceDesc for FeedService service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var FeedService_ServiceDesc = grpc.ServiceDesc{
ServiceName: "FeedService",
HandlerType: (*FeedServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "GetFeed",
Handler: _FeedService_GetFeed_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "feeds.proto",
}