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Signed-off-by: Md. Anisur Rahman <sunny.cse7575@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| MIT License | ||
| Copyright (c) 2024 Praromvik | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| */ | ||
|
|
||
| package course | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
| "reflect" | ||
|
|
||
| "github.com/praromvik/praromvik/models/course" | ||
| perror "github.com/praromvik/praromvik/pkg/error" | ||
|
|
||
| "github.com/go-chi/chi/v5" | ||
| ) | ||
|
|
||
| type Content struct { | ||
| *course.Content | ||
| } | ||
|
|
||
| func (c *Content) Create(w http.ResponseWriter, r *http.Request) { | ||
| if err := json.NewDecoder(r.Body).Decode(&c.Content); err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on parsing JSON", err) | ||
| return | ||
| } | ||
| c.CourseRef = chi.URLParam(r, "courseRef") | ||
| errCode, err := course.ValidateNameUniqueness(c.Content) | ||
| if err != nil { | ||
| perror.HandleError(w, errCode, "", err) | ||
| return | ||
| } | ||
| if err := course.Create(c.Content); err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "failed to create course content data into database", err) | ||
| return | ||
| } | ||
|
|
||
| if err := course.Sync(&course.Lesson{ | ||
| CourseRef: c.Content.CourseRef, | ||
| }, "$push", c.LessonRef, "contents", c.ContentID); err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on syncing content to lesson", err) | ||
| } | ||
|
|
||
| w.WriteHeader(http.StatusOK) | ||
| } | ||
|
|
||
| func (c *Content) Get(w http.ResponseWriter, r *http.Request) { | ||
| c.Content = &course.Content{ | ||
| CourseRef: chi.URLParam(r, "courseRef"), | ||
| ContentID: chi.URLParam(r, "id"), | ||
| } | ||
| // Fetch document from database | ||
| document, err := course.Get(c.Content) | ||
| if err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on getting course lesson", err) | ||
| return | ||
| } | ||
|
|
||
| // Check if the document is of the expected type | ||
| expectedType := reflect.TypeOf(&course.Content{}) | ||
| if !isTypeValid(document, expectedType) { | ||
| perror.HandleError(w, http.StatusBadRequest, "", fmt.Errorf("document is not of type %s", expectedType)) | ||
| return | ||
| } | ||
|
|
||
| // Encode the document to JSON and send the response | ||
| w.Header().Set("Content-Type", "application/json") | ||
| if err := json.NewEncoder(w).Encode(document.(*course.Content)); err != nil { | ||
| perror.HandleError(w, http.StatusInternalServerError, "Error on encoding JSON response", err) | ||
| return | ||
| } | ||
| w.WriteHeader(http.StatusOK) | ||
| } | ||
|
|
||
| func (c *Content) List(w http.ResponseWriter, r *http.Request) { | ||
| c.Content = &course.Content{ | ||
| CourseRef: chi.URLParam(r, "courseRef"), | ||
| ContentID: chi.URLParam(r, "id"), | ||
| } | ||
| documents, err := course.List(c.Content) | ||
| if err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on getting course content list.", err) | ||
| } | ||
|
|
||
| // Check if the document is of the expected type | ||
| expectedType := reflect.TypeOf(&[]course.Content{}) | ||
| if !isTypeValid(documents, expectedType) { | ||
| perror.HandleError(w, http.StatusBadRequest, "", fmt.Errorf("document is not of type %s", expectedType)) | ||
| return | ||
| } | ||
|
|
||
| // Encode the documents to JSON and send the response | ||
| w.Header().Set("Content-Type", "application/json") | ||
| if err := json.NewEncoder(w).Encode(documents.(*[]course.Content)); err != nil { | ||
| perror.HandleError(w, http.StatusInternalServerError, "Error on encoding JSON response", err) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| func (c *Content) Delete(w http.ResponseWriter, r *http.Request) { | ||
| c.Content = &course.Content{ | ||
| CourseRef: chi.URLParam(r, "courseRef"), | ||
| ContentID: chi.URLParam(r, "id"), | ||
| } | ||
| // Fetch document from database | ||
| document, err := course.Get(c.Content) | ||
| if err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on getting course lesson", err) | ||
| return | ||
| } | ||
|
|
||
| // Check if the document is of the expected type | ||
| expectedType := reflect.TypeOf(&course.Content{}) | ||
| if !isTypeValid(document, expectedType) { | ||
| perror.HandleError(w, http.StatusBadRequest, "", fmt.Errorf("document is not of type %s", expectedType)) | ||
| return | ||
| } | ||
| c.Content.LessonRef = document.(*course.Content).LessonRef | ||
|
|
||
| if err := course.Delete(c.Content); err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on deleting content.", err) | ||
| } | ||
|
|
||
| if err := course.Sync(&course.Lesson{ | ||
| CourseRef: c.Content.CourseRef, | ||
| }, "$pull", c.Content.LessonRef, "contents", c.ContentID); err != nil { | ||
| perror.HandleError(w, http.StatusBadRequest, "Error on syncing content to lesson", err) | ||
| } | ||
|
|
||
| w.WriteHeader(http.StatusOK) | ||
| } |
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