feat:#94 added delete api and tests

backend/service/db/dbFeeds.go

@@ -1,6 +1,8 @@
 package db
 
 import (
+	"errors"
+	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase"
 	"github.com/pocketbase/pocketbase/daos"
 	"github.com/pocketbase/pocketbase/models"
@@ -39,6 +41,25 @@ func FindFeedByToken(token string, app *pocketbase.PocketBase) (*model.Feed, err
 	return &feed, err
 }
 
+func DeleteFeed(db *daos.Dao, feedId string) error {
+
+	sqlResult, err := db.DB().Delete("feeds", dbx.NewExp("id = {:id}", dbx.Params{"id": feedId})).Execute()
+	var deletedRows int64
+	if sqlResult != nil {
+		deletedRows, _ = sqlResult.RowsAffected()
+	}
+
+	if err != nil {
+		return err
+	} else {
+		if deletedRows == 0 {
+			return errors.New("No feed with id " + feedId + " found")
+		} else {
+			return nil
+		}
+	}
+}
+
 func GetAllFeeds(db *daos.Dao) ([]model.Feed, error) {
 	var feeds []model.Feed
 	err := db.DB().Select("*").From("feeds").All(&feeds)

backend/service/db/dbFeeds_test.go

@@ -0,0 +1,55 @@
+package db
+
+import (
+	"github.com/pocketbase/pocketbase/daos"
+	"github.com/pocketbase/pocketbase/tests"
+	"testing"
+)
+
+const testDataDir = "./mockData"
+
+func TestDeleteFeed(t *testing.T) {
+
+	setupTestApp := func(t *testing.T) *daos.Dao {
+		testApp, err := tests.NewTestApp(testDataDir)
+		if err != nil {
+			t.Fatal(err)
+		}
+		dao := daos.New(testApp.Dao().DB())
+		return dao
+	}
+
+	type args struct {
+		db     *daos.Dao
+		feedId string
+	}
+	testsCases := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "TestDeleteFeed",
+			args: args{
+				db:     setupTestApp(t),
+				feedId: "fkoqti06ohlnsb8",
+			},
+			wantErr: false,
+		},
+		{
+			name: "TestDeleteFeedNotExisting",
+			args: args{
+				db:     setupTestApp(t),
+				feedId: "test324",
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range testsCases {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := DeleteFeed(tt.args.db, tt.args.feedId); (err != nil) != tt.wantErr {
+				t.Errorf("DeleteFeed() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}