Merge pull request #17 from akuma06/master

Updated Models.go (simplified + orderBy param)

main.go

@@ -23,8 +23,8 @@ func getDBHandle() *gorm.DB {
 	dbInit, err := gorm.Open("sqlite3", "./nyaa.db")
 
 	// Migrate the schema of Torrents
-	dbInit.AutoMigrate(&Torrents{})
-	dbInit.AutoMigrate(&Sub_Categories{})
+	// dbInit.AutoMigrate(&Torrents{})
+	// dbInit.AutoMigrate(&Sub_Categories{})
 
 	checkErr(err)
 	return dbInit
@@ -63,6 +63,7 @@ func apiHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 }
+
 func singleapiHandler(w http.ResponseWriter, r *http.Request) {
 
 	vars := mux.Vars(r)

models.go

@@ -13,13 +13,13 @@ type Categories struct {
 	Category_id   int
 	Category_name string
 	Torrents      []Torrents       `gorm:"ForeignKey:category_id;AssociationForeignKey:category_id"`
-	Sub_category  []Sub_Categories `gorm:"ForeignKey:category_id;AssociationForeignKey:parent_id"`
+	Sub_Categories  []Sub_Categories `gorm:"ForeignKey:category_id;AssociationForeignKey:parent_id"`
 }
 
 type Sub_Categories struct {
-	Sub_category_id   int
-	Sub_category_name string
-	Parent_id         int
+	Sub_category_id   int          `gorm:"column:sub_category_id"`
+	Sub_category_name string       `gorm:"column:Sub_category_name"`
+	Parent_id         int          `gorm:"column:parent_id"`
 	Torrents          []Torrents `gorm:"ForeignKey:sub_category_id;AssociationForeignKey:sub_category_id"`
 }
 
@@ -89,32 +89,51 @@ func getTorrentById(id string) (Torrents, error) {
 	return torrent, nil
 }
 
-func getTorrents(parameters WhereParams, limit int, offset int) []Torrents {
+func getTorrentsOrderBy(parameters *WhereParams, orderBy string, limit int, offset int) []Torrents {
 	var torrents []Torrents
-	db.Limit(limit).Offset(offset).Order("torrent_id DESC").Where(parameters.conditions, parameters.params...).Preload("Categories").Preload("Sub_Categories").Find(&torrents)
+	var dbQuery *gorm.DB
+	
+	if (parameters != nil) {  // if there is where parameters
+		dbQuery = db.Model(&torrents).Where(parameters.conditions, parameters.params...)
+	} else {
+		dbQuery = db.Model(&torrents)
+	} 
+	
+	if (orderBy == "") { orderBy = "torrent_id DESC" } // Default OrderBy
+	if limit != 0 || offset != 0 { // if limits provided
+		dbQuery = dbQuery.Limit(limit).Offset(offset)
+	}
+		dbQuery.Order(orderBy).Preload("Categories").Preload("Sub_Categories").Find(&torrents)
 	return torrents
 }
 
+/* Functions to simplify the get parameters of the main function 
+ * 
+ * Get Torrents with where parameters and limits, order by default
+ */
+func getTorrents(parameters WhereParams, limit int, offset int) []Torrents {
+	return getTorrentsOrderBy(&parameters, "", limit, offset)
+}
+
+/* Get Torrents with where parameters but no limit and order by default (get all the torrents corresponding in the db)
+ */
 func getTorrentsDB(parameters WhereParams) []Torrents {
-	var torrents []Torrents
-	db.Where(parameters.conditions, parameters.params...).Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
-	return torrents
+	return getTorrentsOrderBy(&parameters, "", 0, 0)
 }
 
 /* Function to get all torrents
  */
 
-func getAllTorrents(limit int, offset int) []Torrents {
-	var torrents []Torrents
-	db.Model(&torrents).Limit(limit).Offset(offset).Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
+func getAllTorrentsOrderBy(orderBy string, limit int, offset int) [] Torrents {
+	return getTorrentsOrderBy(nil, orderBy, limit, offset)
+}
 
-	return torrents
+func getAllTorrents(limit int, offset int) []Torrents {
+	return getTorrentsOrderBy(nil, "", limit, offset)
 }
 
 func getAllTorrentsDB() []Torrents {
-	var torrents []Torrents
-	db.Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
-	return torrents
+	return getTorrentsOrderBy(nil, "", 0, 0)
 }
 
 /* Function to get all categories with/without torrents (bool)