补充亿点内容，顺便立Flag

app/Models/ProgramAppends.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ProgramAppends extends Model
+{
+
+}

app/Models/ProgramTags.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ProgramTags extends Model
+{
+    public function tag(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Tags::class, "tag_id", "id");
+    }
+
+    public function program(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Programs::class, "program_id", "id");
+    }
+}

app/Models/ProgramVideos.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Casts\Attribute;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Carbon;
+
+class ProgramVideos extends Model
+{
+    public function program(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Programs::class, "program_id", "id");
+    }
+
+    public function video(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(Videos::class, "video_bvid", "bvid");
+    }
+
+    public function startSec(): Attribute
+    {
+        return Attribute::get(function ($_, $attributes) {
+            return Carbon::createFromFormat("H:i:s", $attributes['start_time'])->secondsSinceMidnight();
+        });
+    }
+}

app/Models/Programs.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Programs extends Model
+{
+    public function appends(): \Illuminate\Database\Eloquent\Relations\HasMany
+    {
+        return $this->hasMany(ProgramAppends::class, "program_id", "id")->orderByDesc("is_original");
+    }
+
+    public function tags(): \Illuminate\Database\Eloquent\Relations\HasManyThrough
+    {
+        return $this->hasManyThrough(Tags::class, ProgramTags::class, "program_id", "id", "id", "tag_id");
+    }
+
+    public function video_pivots(): \Illuminate\Database\Eloquent\Relations\HasMany
+    {
+        return $this->hasMany(ProgramVideos::class, "program_id", "id");
+    }
+
+    public function videos(): \Illuminate\Database\Eloquent\Relations\HasManyThrough
+    {
+        return $this->hasManyThrough(Videos::class, ProgramVideos::class, "program_id", "bvid", "id", "video_bvid");
+    }
+}

app/Models/Tags.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Tags extends Model
+{
+    public function programs(): \Illuminate\Database\Eloquent\Relations\HasManyThrough
+    {
+        return $this->hasManyThrough(Programs::class, ProgramTags::class, "tag_id", "id", "id", "program_id");
+    }
+}

app/Models/Videos.php

@@ -10,4 +10,9 @@ class Videos extends Model
     {
         return $this->hasMany(VideoComments::class, "aid", "id");
     }
+
+    public function programs(): \Illuminate\Database\Eloquent\Relations\HasManyThrough
+    {
+        return $this->hasManyThrough(Programs::class, ProgramVideos::class, "video_bvid", "bvid", "id", "program_id");
+    }
 }