add fetcher for semgrp from xml

addRoute.go

@@ -5,6 +5,7 @@ import (
 	"github.com/pocketbase/pocketbase"
 	"github.com/pocketbase/pocketbase/apis"
 	"github.com/pocketbase/pocketbase/core"
+	"htwk-planner/service"
 	"net/http"
 )
 
@@ -15,7 +16,25 @@ func addRoutes(app *pocketbase.PocketBase) {
 			Method: http.MethodGet,
 			Path:   "/api/fetchPlans",
 			Handler: func(c echo.Context) error {
-				return fetchHTWK(c, app)
+				return service.FetchHTWK(c, app)
+			},
+			Middlewares: []echo.MiddlewareFunc{
+				apis.ActivityLogger(app),
+			},
+		})
+		if err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
+		_, err := e.Router.AddRoute(echo.Route{
+			Method: http.MethodGet,
+			Path:   "/api/fetchGroups",
+			Handler: func(c echo.Context) error {
+				return service.FetchSeminarGroups(c, app)
 			},
 			Middlewares: []echo.MiddlewareFunc{
 				apis.ActivityLogger(app),

main.go

@@ -1,22 +1,13 @@
 package main
 
 import (
-	"github.com/labstack/echo/v5"
 	"github.com/pocketbase/pocketbase"
-	"github.com/pocketbase/pocketbase/core"
 	"log"
 )
 
 func main() {
 	app := pocketbase.New()
 
-	app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
-		e.Router.GET("/api/hello", func(c echo.Context) error {
-			return c.String(200, "Hello world!")
-		})
-		return nil
-	})
-
 	addRoutes(app)
 
 	if err := app.Start(); err != nil {

model/seminarGroup.go

@@ -3,6 +3,10 @@ package model
 type SeminarGroup struct {
 	University    string
 	GroupShortcut string
+	GroupId       string
+	Course        string
+	Faculty       string
+	FacultyId     string
 	Events        []Events
 }
 

model/seminarGroupXMLStruct.go

@@ -0,0 +1,29 @@
+package model
+
+import (
+	"encoding/xml"
+)
+
+type Studium struct {
+	XMLName   xml.Name    `xml:"studium"`
+	Fakultaet []Fakultaet `xml:"fakultaet"`
+}
+
+type Fakultaet struct {
+	XMLName     xml.Name      `xml:"fakultaet"`
+	Name        string        `xml:"name,attr"`
+	ID          string        `xml:"id,attr"`
+	Studiengang []Studiengang `xml:"studiengang"`
+}
+
+type Studiengang struct {
+	XMLName xml.Name `xml:"studiengang"`
+	Name    string   `xml:"name,attr"`
+	ID      string   `xml:"id,attr"`
+	Semgrp  []Semgrp `xml:"semgrp"`
+}
+
+type Semgrp struct {
+	XMLName xml.Name `xml:"semgrp"`
+	Name    string   `xml:"name,attr"`
+}

service/fetchSeminarGroupService.go

@@ -0,0 +1,82 @@
+package service
+
+import (
+	"encoding/xml"
+	"fmt"
+	"htwk-planner/model"
+	"io"
+	"net/http"
+
+	"github.com/labstack/echo/v5"
+	"github.com/pocketbase/pocketbase"
+)
+
+func getSeminarHTML() (string, error) {
+	url := "https://stundenplan.htwk-leipzig.de/stundenplan/xml/public/semgrp_ss.xml"
+
+	// Send GET request
+	response, err := http.Get(url)
+	if err != nil {
+		fmt.Printf("Error occurred while making the request: %s\n", err.Error())
+		return "", err
+	}
+	defer func(Body io.ReadCloser) {
+		err := Body.Close()
+		if err != nil {
+			return
+		}
+	}(response.Body)
+
+	// Read the response body
+	body, err := io.ReadAll(response.Body)
+
+	if err != nil {
+		fmt.Printf("Error occurred while reading the response: %s\n", err.Error())
+		return "", err
+	}
+
+	return string(body), err
+
+}
+
+func FetchSeminarGroups(c echo.Context, app *pocketbase.PocketBase) error {
+
+	result, _ := getSeminarHTML()
+
+	println(result)
+
+	var studium []model.SeminarGroup
+
+	studium = parseSeminarGroups(result)
+
+	return c.JSON(http.StatusOK, studium)
+}
+
+func parseSeminarGroups(result string) []model.SeminarGroup {
+
+	var studium model.Studium
+
+	err := xml.Unmarshal([]byte(result), &studium)
+	if err != nil {
+		return nil
+	}
+
+	var seminarGroups []model.SeminarGroup
+	for _, Fakultaet := range studium.Fakultaet {
+		for _, Studiengang := range Fakultaet.Studiengang {
+			for _, Studienrichtung := range Studiengang.Semgrp {
+				seminarGroup := model.SeminarGroup{
+					University:    "HTWK-Leipzig",
+					GroupShortcut: Studiengang.Name,
+					GroupId:       Studiengang.ID,
+					Course:        Studienrichtung.Name,
+					Faculty:       Fakultaet.Name,
+					FacultyId:     Fakultaet.ID,
+				}
+				seminarGroups = append(seminarGroups, seminarGroup)
+			}
+		}
+	}
+
+	return seminarGroups
+}

service/fetchService.go

@@ -1,4 +1,4 @@
-package main
+package service
 
 import (
 	"fmt"
@@ -13,7 +13,7 @@ import (
 	"strings"
 )
 
-func fetchHTWK(c echo.Context, app *pocketbase.PocketBase) error {
+func FetchHTWK(c echo.Context, app *pocketbase.PocketBase) error {
 
 	var seminarGroups []model.SeminarGroup
 
@@ -109,11 +109,6 @@ func toEvents(tables [][]*html.Node, days []string) []model.Events {
 					Notes:     getTextContent(tableData[7]),
 					BookedAt:  getTextContent(tableData[8]),
 				})
-				// Print the content of each <td> element
-				//for _, td := range tableData {
-				//	content := getTextContent(td)
-				//	println(content)
-				//}
 			}
 		}