feat: filter uploads by mime types

controllers/uploadController.js

@@ -1232,6 +1232,7 @@ self.list = async (req, res) => {
     // Columns with which to use SQLite's NULLS LAST option
     nullsLast: [
       'userid',
+      'type',
       'albumid',
       'expirydate',
       'ip'
@@ -1266,7 +1267,7 @@ self.list = async (req, res) => {
   }
 
   if (filters) {
-    const keywords = []
+    const keywords = ['type']
 
     // Only allow filtering by 'albumid' when not listing a specific album's uploads
     if (isNaN(albumid)) {
@@ -1708,6 +1709,23 @@ self.list = async (req, res) => {
       }
     })
 
+    // Then, refine using 'type' keys
+    this.andWhere(function () {
+      if (filterObj.queries.exclude.type) {
+        this.whereNotIn('type', filterObj.queries.exclude.type)
+      } else if (filterObj.queries.type) {
+        this.orWhereIn('type', filterObj.queries.type)
+      }
+      // ...
+      if ((filterObj.queries.exclude.type && filterObj.flags.typeNull !== false) ||
+          (filterObj.queries.type && filterObj.flags.typeNull) ||
+          (!filterObj.queries.exclude.type && !filterObj.queries.type && filterObj.flags.typeNull)) {
+        this.orWhereNull('type')
+      } else if (filterObj.flags.typeNull === false) {
+        this.whereNotNull('type')
+      }
+    })
+
     // Then, refine using the supplied keywords against their file names
     this.andWhere(function () {
       if (!filterObj.queries.text) return

src/js/dashboard.js

@@ -1191,6 +1191,10 @@ page.uploadFiltersHelp = element => {
     Negation sign works for this key as well.
     Mixing inclusion and exclusion is not allowed (i.e. <code>is:image -is:video</code>), since the second key will be redundant.
 
+    Alternatively, you can filter by their actual mime types using <b>type</b> keys.
+    For example, <code>type:image/jpeg</code>, <code>type:video/mp4</code>.
+    Negation sign works for this key as well.
+
     Any leftover keywords which do not use keys (non-keyed keywords) will be matched against the matches' randomly generated and original names.
     Excluding certain keywords is also supported by adding negation sign before the keywords.
 
@@ -1201,6 +1205,7 @@ page.uploadFiltersHelp = element => {
       : '- Filter uploads'} using <b>date</b> key, if any.
     - Refine matches using <b>expiry</b> key, if any.
     - Refine matches using type-<b>is</b> keys, if any.
+    - Refine matches using <b>type</b> keys, if any.
     - Refine matches using ANY non-keyed keywords, if any.
     - Filter matches using ALL exclusion non-keyed keywords, if any.
     - Sort matches using <b>sort</b> keys, if any.