php - Laravel update join table
问题描述
so I have 2 tables (projects and project_types) with OneToMany relationship.
public function project_types()
{
return $this->belongsTo('App\Models\ProjectType', 'project_type_id');
}
public function projects()
{
return $this->hasMany('App\Models\Project', 'project_type_id');
}
My ProjectController:
public function update(Request $request, $id)
{
if ($request->isMethod('get')){
$types = ProjectType::all()
->pluck('name');
// dd($types);
return view('projects.form', compact('types'), ['project' => Project::find($id)]);
}
$rules = [
'name' => 'required',
'description' => 'required',
'project_code' => 'required',
];
$validator = Validator::make($request->all(), $rules);
if ($validator->fails())
return response()->json([
'fail' => true,
'errors' => $validator->errors()
]);
$project = Project::find($id);
$project->name = $request->name;
$project->description = $request->description;
$project->project_code = $request->project_code;
$project->project_type_id = $request->project_type_id;
$project->start_p = $request->start_p;
$project->start_r = $request->start_r;
$project->end_p = $request->end_p;
$project->end_r = $request->end_r;
$project->days_p = $request->days_p;
$project->days_r = $request->days_r;
$project->date_requested = $request->date_requested;
$project->save();
return response()->json([
'fail' => false,
'redirect_url' => url('projects')
]);
}
My form:
<div class="form-group row">
{!! Form::label("project_types", trans('project.Type'),["class"=>"col-form-label col-md-3 col-lg-2"]) !!}
<div class="col-md-8">
{!! Form::select("project->project_type_id", $types, null, ["class"=>"form-control".($errors->has('project->project_type_id')?" is-invalid":""),'placeholder'=>'Project Type']) !!}
<span id="error-name" class="invalid-feedback"></span>
</div>
</div>
In my form view I have a dropdown list with all project types names (so I guess my relationship is good), but when I try to update the project information, the form sends NULL for the project_type_id. I don't get any errors in the console.
Can anyone help! Thanks!
解决方案
好的发现我的错误。我正在选择项目类型名称,我也需要 id。
$types = ProjectType::all()
->pluck('name', 'id');
return view('projects.form', compact('types', 'project'));
并采用以下形式:
{!! Form::label("project_types", trans('project.Type'),["class"=>"col-form-label col-md-3 col-lg-2"]) !!}
<div class="col-md-8">
{!! Form::select("project_type_id", $types, null, ["class"=>"form-control".($errors->has('project_type_id')?" is-invalid":""),'placeholder'=>'Project Type']) !!}
<span id="error-name" class="invalid-feedback"></span>
</div>
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