Added percent done to tasks (#102)

pkg/models/fixtures/tasks.yml

@@ -204,4 +204,11 @@
   list_id: 3
   created: 1543626724
   updated: 1543626724
+- id: 33
+  text: 'task #33 with percent done'
+  created_by_id: 1
+  list_id: 1
+  percent_done: 0.5
+  created: 1543626724
+  updated: 1543626724
 

pkg/models/task_readall_test.go

@@ -336,6 +336,16 @@ func sortTasksForTesting(by SortBy) (tasks []*Task) {
 			Created:     1543626724,
 			Updated:     1543626724,
 		},
+		{
+			ID:          33,
+			Text:        "task #33 with percent done",
+			CreatedByID: 1,
+			CreatedBy:   user1,
+			ListID:      1,
+			PercentDone: 0.5,
+			Created:     1543626724,
+			Updated:     1543626724,
+		},
 	}
 
 	switch by {

pkg/models/tasks.go

@@ -60,6 +60,8 @@ type Task struct {
 	Labels []*Label `xorm:"-" json:"labels"`
 	// The task color in hex
 	HexColor string `xorm:"varchar(6) null" json:"hexColor" valid:"runelength(0|6)" maxLength:"6"`
+	// Determines how far a task is left from being done
+	PercentDone float64 `xorm:"DOUBLE null" json:"percentDone"`
 
 	// The UID is currently not used for anything other than caldav, which is why we don't expose it over json
 	UID string `xorm:"varchar(250) null" json:"-"`
@@ -632,6 +634,10 @@ func (t *Task) Update() (err error) {
 	if t.HexColor == "" {
 		ot.HexColor = ""
 	}
+	// Percent DOnw
+	if t.PercentDone == 0 {
+		ot.PercentDone = 0
+	}
 
 	_, err = x.ID(t.ID).
 		Cols("text",
@@ -644,7 +650,8 @@ func (t *Task) Update() (err error) {
 			"start_date_unix",
 			"end_date_unix",
 			"hex_color",
-			"done_at_unix").
+			"done_at_unix",
+			"percent_done").
 		Update(ot)
 	*t = ot
 	if err != nil {