update for ical create process, new endpoints for frontend

service/db/dbEvents.go

@@ -101,7 +101,7 @@ func (e Events) EmitICal() goics.Componenter {
 	return c
 }
 
-// GetPlanForCourseAndSemester gets all events for specific course and semester
+// gets all events for specific course and semester
 // TODO add filter for year
 func GetPlanForCourseAndSemester(app *pocketbase.PocketBase, course string, semester string) Events {
 	var events Events
@@ -114,6 +114,29 @@ func GetPlanForCourseAndSemester(app *pocketbase.PocketBase, course string, seme
 	return events
 }
 
+func GetPlanForModules(app *pocketbase.PocketBase, modules []string) Events {
+
+	// build query string with name equals elements in modules for dbx query
+
+	var queryString string
+	for i, module := range modules {
+		if i == 0 {
+			queryString = "Name = '" + module + "'"
+		} else {
+			queryString = queryString + " OR Name = '" + module + "'"
+		}
+	}
+
+	var events Events
+	// get all events from event records in the events collection
+	err := app.Dao().DB().Select("*").From("events").Where(dbx.NewExp(queryString)).All(&events)
+	if err != nil {
+		print("Error while getting events from database: ", err)
+		return nil
+	}
+	return events
+}
+
 func GetAllModulesForCourse(app *pocketbase.PocketBase, course string, semester string) ([]string, error) {
 	var events []struct {
 		Name string `db:"Name" json:"Name"`
@@ -133,3 +156,32 @@ func GetAllModulesForCourse(app *pocketbase.PocketBase, course string, semester
 	}
 	return eventArray, nil
 }
+
+func GetAllModulesDistinct(app *pocketbase.PocketBase) ([]struct {
+	Name   string
+	Course string
+}, error) {
+	var events []struct {
+		Name   string `db:"Name" json:"Name"`
+		Course string `db:"course" json:"course"`
+	}
+
+	var eventArray []struct {
+		Name   string
+		Course string
+	}
+
+	err := app.Dao().DB().Select("Name", "course").From("events").Distinct(true).All(&events)
+	if err != nil {
+		print("Error while getting events from database: ", err)
+		return eventArray, err
+	}
+
+	for _, event := range events {
+		eventArray = append(eventArray, struct {
+			Name   string
+			Course string
+		}{event.Name, event.Course})
+	}
+	return eventArray, nil
+}