spa-api/app/Models/ProjectModel.php

<?php

namespace App\Models;

use App\BaseApp\BaseModel;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;

/**
 * 项目表
 */
class ProjectModel extends BaseModel
{
    //
    protected $table = 'projects';

    protected $guarded  = [];

    /**
     * 用户关联
     * @return HasOne
     */
    public function user(): HasOne
    {
        return $this->hasOne(UserModel::class, 'id', 'user_id');
    }

    /**
     * 作者关联
     * @return HasOne
     */
    public function author(): HasOne
    {
        return $this->hasOne(UserModel::class, 'id', 'author_id');
    }

    /**
     * 标签关联
     * @return BelongsToMany
     */
    public function labels(): BelongsToMany
    {
        return $this->belongsToMany(LabelModel::class, 'project_label_relations', 'project_id', 'label_id');
    }

    /**
     * 截图关联
     * @return HasMany
     */
    public function screenshots(): HasMany
    {
        return $this->hasMany(ScreenshotModel::class, 'project_id', 'id');
    }

    /**
     * 框架关联
     * @return BelongsToMany
     */
    public function frameworks(): BelongsToMany
    {
        return $this->belongsToMany(FrameworkModel::class, 'project_frameworks_relations', 'project_id', 'framework_id');
    }

    /**
     * 技术栈关联
     * @return BelongsToMany
     */
    public function technologyStacks(): BelongsToMany
    {
        return $this->belongsToMany(TechnologyStackModel::class, 'project_technology_stacks_relations', 'project_id', 'technology_stacks_id');
    }

    /**
     * 功能关联
     * @return HasMany
     */
    public function features(): HasMany
    {
        return $this->hasMany(FeatureModel::class, 'project_id', 'id');
    }

    /**
     * 分类关联
     * @return HasOne
     */
    public function category(): HasOne
    {
        return $this->hasOne(CategoryModel::class, 'id', 'category_id');
    }
}