work on diet plan

diet_template/models/diet.py

@@ -0,0 +1,47 @@
+# See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class DietList(models.Model):
+    """New model for creating diet Task."""
+
+    _name = 'diet.list'
+    _description = 'Information of task,interval and food items in task.'
+
+    name = fields.Char('Name')
+    sequence = fields.Integer("Sequence")
+    diet_id = fields.Many2one('diet.master', 'Diet Line')
+    food_item_ids = fields.One2many('diet.plan.lines', 'diet_list_id', 'Food')
+
+
+class DietMaster(models.Model):
+    """Information about diet plan and task in the plan and total
+    days of task.
+    """
+
+    _name = 'diet.master'
+    _description = 'Diet Master'
+
+    name = fields.Char("Goal")
+    diet_task_ids = fields.One2many('diet.list', 'diet_id', 'Diet')
+    total_days = fields.Integer(
+        compute="_compute_calculate_total_days",
+        string="Total Days Of Diet Plan")
+    diet_plan_ids = fields.Many2many('diet.list', 'master_list_rel',
+                                     'master_id', 'diet_list_id',
+                                     string="Diet Task")
+    
+    @api.depends('diet_plan_ids')
+    def _compute_calculate_total_days(self):
+        """Calculating total days of PLan."""
+        for diet_master_rec in self:
+            diet_master_rec.total_days = \
+                len(diet_master_rec.diet_plan_ids.ids)
+
+
+class DietPlanLines(models.Model):
+    _inherit = 'diet.plan.lines'
+
+    diet_list_id = fields.Many2one('diet.list', 'project task list')
+    diet_plan_id = fields.Many2one('project.task', 'Diet plan in task')