diff --git a/app/Entities/Projects/Project.php b/app/Entities/Projects/Project.php
index 79710d4..38f86f3 100755
--- a/app/Entities/Projects/Project.php
+++ b/app/Entities/Projects/Project.php
@@ -18,10 +18,21 @@ class Project extends Model
 {
     use PresentableTrait;
 
+    /**
+     * @var \App\Entities\Projects\ProjectPresenter
+     */
     protected $presenter = ProjectPresenter::class;
+
+    /**
+     * @var array
+     */
     protected $guarded = ['id', 'created_at', 'updated_at'];
-    // protected $dates = ['start_date','end_date'];
 
+    /**
+     * Show project name with link to project detail.
+     *
+     * @return Illuminate\Support\HtmlString
+     */
     public function nameLink()
     {
         return link_to_route('projects.show', $this->name, [$this->id], [
@@ -32,51 +43,101 @@ class Project extends Model
         ]);
     }
 
+    /**
+     * Project has many Jobs relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function jobs()
     {
         return $this->hasMany(Job::class)->orderBy('position');
     }
 
+    /**
+     * Project has many Tasks relation through Job model.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
+     */
     public function tasks()
     {
         return $this->hasManyThrough(Task::class, Job::class);
     }
 
+    /**
+     * Project has many main Jobs relation (based on job_type_id).
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function mainJobs()
     {
         return $this->hasMany(Job::class)->orderBy('position')->whereTypeId(1);
     }
 
+    /**
+     * Project has many additioanl Jobs relation (based on job_type_id).
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function additionalJobs()
     {
         return $this->hasMany(Job::class)->orderBy('position')->whereTypeId(2);
     }
 
+    /**
+     * Project has many Subscriptions relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function subscriptions()
     {
         return $this->hasMany(Subscription::class);
     }
 
+    /**
+     * Project has many Invoices relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function invoices()
     {
         return $this->hasMany(Invoice::class);
     }
 
+    /**
+     * Project has many Payments relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
     public function payments()
     {
         return $this->hasMany(Payment::class)->orderBy('date', 'desc');
     }
 
+    /**
+     * Project has many Comments relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
     public function comments()
     {
         return $this->morphMany(Comment::class, 'commentable');
     }
 
+    /**
+     * Project belongs to a Customer relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Concerns\belongsTo
+     */
     public function customer()
     {
         return $this->belongsTo(Customer::class);
     }
 
+    /**
+     * Project cash in (income) total.
+     *
+     * @return int
+     */
     public function cashInTotal()
     {
         return $this->payments->sum(function ($payment) {
@@ -84,6 +145,11 @@ class Project extends Model
         });
     }
 
+    /**
+     * Project cash out (spending) total.
+     *
+     * @return int
+     */
     public function cashOutTotal()
     {
         return $this->payments->sum(function ($payment) {
@@ -91,6 +157,11 @@ class Project extends Model
         });
     }
 
+    /**
+     * Get project overal job progress in percent.
+     *
+     * @return float
+     */
     public function getJobOveralProgress()
     {
         $overalProgress = 0;
@@ -109,11 +180,21 @@ class Project extends Model
         return $overalProgress;
     }
 
+    /**
+     * Project has many Files relation.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\MorphMany
+     */
     public function files()
     {
         return $this->morphMany(File::class, 'fileable');
     }
 
+    /**
+     * Get project collectible earnings, based on job progress.
+     *
+     * @return float
+     */
     public function getCollectibeEarnings()
     {
         // Collectible earnings is total of (price * avg task progress of each job)
@@ -128,6 +209,12 @@ class Project extends Model
         return $collectibeEarnings;
     }
 
+    /**
+     * Get project job list based on job tipe.
+     *
+     * @param  string  $jobType
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
     public function getJobList($jobType)
     {
         $jobType = (int) $jobType;