Hello Actually am trying to create an app in which every project has some users i.e ProjectMembers.
here is project model with TeamMembers function.
class Project extends Model
{
use HasFactory;
function TeamMembers(){
return $this->hasMany(ProjectMember::class);
}
}
project members table schema.
Schema::create('projects_members', function (Blueprint $table) {
$table->id();
$table->unsignedBigInteger('project_id')->nullable();
$table->unsignedBigInteger('user_id')->nullable();
$table->foreign('project_id')->references('id')->on('projects');
$table->foreign('user_id')->references('id')->on('users');
$table->timestamps();
});
Now for updating project members i have to first delete relationships from Project members and then saving new one. because i have added multiselect dropdown. $request->team_members have type array.
public function update(Request $request, $id)
{
// return $request;
$project = Project::findorfail($id);
$project->name = $request->project_name;
$project->details = $request->details;
$project->start_date = $request->start_date;
$project->end_date = $request->end_date;
$members = $request->team_members;
ProjectMember::where('project_id', $id)->delete();
$this->update_project_memebers($members, $project);
return redirect('/projects');
}
public function update_project_memebers($members, $project){
foreach ($members as $member_id) {
$project_member = new ProjectMember();
$project_member->project_id = $project->id;
$project_member->user_id = $member_id;
$project_member->save();
}
}
here am deleting cuz if someone created project with two members and when the he/she want to update then he/she can remove one member from multiselect then i have to delete relationship cuz he/she selected only one user.
I don't think it's a good practice, so can i achieve this same func. with another way? thankyou.
First of all please make a proper naming convention of pivot tabel according to laravel and same for the model name too.
As of now the solution is
define relation as
Project
public function teamMembers()
{
return $this->belongsToMany(ProjectMember::class, 'projects_members', 'project_id', 'member_id');
}
ProjectMember
public function projects()
{
return $this->belongsToMany(Project::class, 'projects_members', 'member_id', 'project_id');
}
So now instead of deleting use sync() method. AS
$project->teamMembers()->sync($members);
Important docs,
https://laravel.com/docs/8.x/eloquent-relationships#syncing-associations
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