CMS edit-article (chiangmai, where-else): remove duplicate #btn_submit handler that submitted before Editor.js serialized, prefill hidden description inputs from stored values, surface editor save failure; fixes 'Data cannot be empty' when only sub-categories changed

think-backend.greaterchiangmai.com/database/migrations/2026_10_26_000000_normalize_article_sub_category_ids.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+// Article insert/update used to store sub_category_ids as "15, 21" (comma+space).
+// Every reader uses FIND_IN_SET(?, sub_category_ids), which never matches " 21",
+// so only the first checked sub-category was ever visible. Strip the spaces.
+return new class extends Migration
+{
+    public function up(): void
+    {
+        DB::table('article')
+            ->where('sub_category_ids', 'like', '% %')
+            ->update(['sub_category_ids' => DB::raw("REPLACE(sub_category_ids, ' ', '')")]);
+    }
+
+    public function down(): void
+    {
+        // Irreversible by design: the spaced format was a bug, not a schema.
+    }
+};

think-backend.greaterchiangmai.com/resources/views/backend/article-where-else/edit.blade.php

@@ -245,14 +245,14 @@
                                     <div class="mb-10 fv-row">
                                         <label class="required form-label">Description</label>
                                         <div class="form-control" id="description" name="description"></div>
-                                        <input type="hidden" id="description_input" name="description" />
+                                        <input type="hidden" id="description_input" name="description" value="{{ $itemView->description }}" />
                                     </div>
 
 
                                     <div class="mb-10 fv-row">
                                         <label class="required form-label">Description (EN)</label>
                                         <div class="form-control" id="description_en" name="description_en"></div>
-                                        <input type="hidden" id="description_input_en" name="description_en" />
+                                        <input type="hidden" id="description_input_en" name="description_en" value="{{ $itemView->description_en }}" />
 
                                     </div>
 
@@ -304,14 +304,6 @@
                 }
             });
 
-
-            $(document).on("click", "#btn_submit", function(e) {
-                e.preventDefault();
-                alertLoading("Loading")
-                const form = $('#frmUpdate');
-                form.submit();
-            })
-
         });
     </script>
 
@@ -585,6 +577,7 @@
                 })
                 .catch((error) => {
                     console.error('Error saving editor content:', error);
+                    alertFail('Notice', 'Could not save description, please try again');
                 });
         });
     </script>

think-backend.greaterchiangmai.com/resources/views/backend/article/edit.blade.php

@@ -256,14 +256,14 @@
                                     <div class="mb-10 fv-row">
                                         <label class="required form-label">Description</label>
                                         <div class="form-control" id="description" name="description"></div>
-                                        <input type="hidden" id="description_input" name="description" />
+                                        <input type="hidden" id="description_input" name="description" value="{{ $itemView->description }}" />
                                     </div>
 
 
                                     <div class="mb-10 fv-row">
                                         <label class="required form-label">Description (EN)</label>
                                         <div class="form-control" id="description_en" name="description_en"></div>
-                                        <input type="hidden" id="description_input_en" name="description_en" />
+                                        <input type="hidden" id="description_input_en" name="description_en" value="{{ $itemView->description_en }}" />
 
                                     </div>
 
@@ -315,13 +315,6 @@
                 }
             });
 
-            $(document).on("click", "#btn_submit", function(e) {
-                e.preventDefault();
-                alertLoading("Loading")
-                const form = $('#frmUpdate');
-                form.submit();
-            })
-
         });
     </script>
 
@@ -595,6 +588,7 @@
                 })
                 .catch((error) => {
                     console.error('Error saving editor content:', error);
+                    alertFail('Notice', 'Could not save description, please try again');
                 });
         });
     </script>