Handle sort in rss

[oweals/peertube.git] / server / models / utils.ts

diff --git a/server/models/utils.ts b/server/models/utils.ts
index fd84a92399e5f2aaefab3ef826d022f4e4f5be32..59ce83c16e09a79b3fbeac8a97a2b016b0e6e7a5 100644 (file)
--- a/server/models/utils.ts
+++ b/server/models/utils.ts
@@ -1,7 +1,7 @@
-// Translate for example "-name" to [ 'name', 'DESC' ]
-function getSort (value) {
-  let field
-  let direction
+// Translate for example "-name" to [ [ 'name', 'DESC' ], [ 'id', 'ASC' ] ]
+function getSort (value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
+  let field: string
+  let direction: 'ASC' | 'DESC'
 
   if (value.substring(0, 1) === '-') {
     direction = 'DESC'
@@ -11,17 +11,26 @@ function getSort (value) {
     field = value
   }
 
-  return [ field, direction ]
+  return [ [ field, direction ], lastSort ]
 }
 
-function addMethodsToModel (model: any, classMethods: Function[], instanceMethods: Function[] = []) {
-  classMethods.forEach(m => model[m.name] = m)
-  instanceMethods.forEach(m => model.prototype[m.name] = m)
+function getSortOnModel (model: any, value: string, lastSort: string[] = [ 'id', 'ASC' ]) {
+  let [ firstSort ] = getSort(value)
+
+  if (model) return [ [ model, firstSort[0], firstSort[1] ], lastSort ]
+  return [ firstSort, lastSort ]
+}
+
+function throwIfNotValid (value: any, validator: (value: any) => boolean, fieldName = 'value') {
+  if (validator(value) === false) {
+    throw new Error(`"${value}" is not a valid ${fieldName}.`)
+  }
 }
 
 // ---------------------------------------------------------------------------
 
 export {
-  addMethodsToModel,
-  getSort
+  getSort,
+  getSortOnModel,
+  throwIfNotValid
 }