real estate module starter

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Estate',
+    'version': '1.0',
+    'summary': 'Tutorial module for managing real estate properties',
+    'description': 'A starter module to learn Odoo development by managing estate properties.',
+    'author': '',
+    'depends': ['base'],
+    'data': [
+        "views/estate_property_offer.xml",
+        "views/estate_property_type.xml",
+        "views/estate_property_tag.xml",
+        "views/estate_property.xml",
+        "security/ir.model.access.csv"
+    ],
+    'installable': True,
+    'application': True,
+}

estate/models/__init__.py

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+from . import estate_property, estate_property_type, estate_property_tag, estate_property_offer

estate/models/estate_property.py

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+from odoo import api, models, fields, exceptions
+
+
+class EstatePropertyModel(models.Model):                    # Inheritence -> This class inherits from models.Model
+    _name = "estate_property_model"                         # Name of the table in database
+    _description = "Estate Property Model"                  # user-friendly name    
+    _order = "id desc"
+
+    name = fields.Char(required=True)                       # VARCHAR & NOT NULL
+    expected_price = fields.Float(required=True)            # NUMERIC & NOT NULL
+    description = fields.Char()
+
+    living_area = fields.Integer()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection([("north", 'North'), ('south', 'South'), ('east', "East"), ("west", 'West')])
+    total_area = fields.Integer(compute="_compute_total_area")
+
+    best_price = fields.Float(compute="_compute_best_offer_price", string="Best Accepted Offer")
+
+    sold = fields.Boolean()
+    cancelled = fields.Boolean()
+    property_status = fields.Char(default="New", string="Property Status")
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    property_type_id = fields.Many2one(
+        comodel_name="estate_property_type_model",
+        string="Property Type",
+        ondelete="set null"
+    )
+    property_tag_ids = fields.Many2many(
+        comodel_name="estate_property_tag_model",
+        relation="estate_property_tag_rel",
+        column1="estate_property_id",
+        column2="estate_property_tag_id",
+        string="Tag"
+    )
+    property_offer_ids = fields.One2many(
+        comodel_name="estate_property_offer_model", 
+        inverse_name="property_id", 
+        string="Property Offers"
+    )
+
+    @api.depends("property_offer_ids")
+    def _compute_best_offer_price(self):
+        for record in self:
+            accepted_offers= record.property_offer_ids.filtered(lambda rec: rec.status == "accepted")
+            prices = accepted_offers.mapped("price")
+            record.best_price = max(prices) if prices else 0.0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = ""
+
+    def action_property_sold(self):
+        if(self.cancelled==False):
+            self.sold = True
+            self.property_status = "Sold"
+            return True
+        else:
+            raise exceptions.UserError("Cancelled properties can't be sold")
+
+    def action_property_cancelled(self):
+        if (self.sold==False):
+            self.cancelled = True
+            self.property_status = "Cancelled"
+            return True
+        else:
+            raise exceptions.UserError("Sold properties can't be cancelled")
+
+    @api.constrains("expected_price")
+    def _check_expected_price_positive(self):
+        for record in self:
+            if(record.expected_price<=0):
+                raise exceptions.ValidationError("The price must be a positive number")

estate/models/estate_property_offer.py

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+from odoo import models, fields
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate_property_offer_model"
+    _order = "price desc"
+
+    sequence = fields.Integer('Sequence', default=1, help="Used to order stages. Lower is better.")
+
+    price = fields.Float(required=True)
+    status = fields.Selection([('recieved', 'Recieved'), ('accepted', 'Accepted'), ('refused', 'Refused')], string="Offer Status", default="recieved")
+    partner_id = fields.Many2one(comodel_name="res.partner", string="Partner")
+    property_id = fields.Many2one(comodel_name="estate_property_model", string="Estate Property")
+
+    def action_accept_offer(self):
+        self.status = "accepted"
+        return True
+
+    def action_refuse_offer(self):
+        self.status = "refused"
+        return True

estate/models/estate_property_tag.py

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+from odoo import models, fields
+
+class EstatePropertyTag(models.Model):
+    _name = "estate_property_tag_model"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    property_ids = fields.Many2many(
+        comodel_name="estate_property_model",
+        relation="estate_property_tag_rel",
+        column1="estate_property_tag_id",
+        column2="estate_property_id",
+        string="Properties"
+    )

estate/models/estate_property_type.py

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+from odoo import models, fields
+
+
+class PropertyType(models.Model):
+    _name = "estate_property_type_model"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        comodel_name="estate_property_model",
+        inverse_name="property_type_id",
+        string="Properties"
+    )

estate/security/ir.model.access.csv

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+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property_model_user,estate.property.user,model_estate_property_model,,1,1,1,1
+access_estate_property_type_user,estate.property.type.user,model_estate_property_type_model,base.group_user,1,1,1,1
+access_estate_property_tag_user,estate.property.tag.user,model_estate_property_tag_model,base.group_user,1,1,1,1
+access_estate_property_offer_user,estate.property.offer.user,model_estate_property_offer_model,base.group_user,1,1,1,1

estate/views/estate_property.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+  <data>
+    <!-- Action -->
+    <record id="estate_property_model_action" model="ir.actions.act_window">
+      <field name="name">Estate Property action</field>
+      <field name="res_model">estate_property_model</field>
+      <field name="view_mode">list,form</field>
+    </record>
+
+    <!-- Menu -->
+    <menuitem id="estate_property_model_menu_root" name="Real Estate" sequence="1" />
+    <menuitem id="estate_property_model_menu" name="Properties"
+              parent="estate_property_model_menu_root"
+              action="estate_property_model_action" sequence="1"/>
+
+    <menuitem id="estate_property_type_model_menu" name="Types"
+              parent="estate_property_model_menu_root"
+              action="estate_property_type_model_action" sequence="2"/>
+
+    <menuitem id="estate_property_tag_model_menu" name="Tags"
+              parent="estate_property_model_menu_root"
+              action="estate_property_tag_model_action" sequence="3"/>
+
+    <menuitem id="estate_property_offer_model_menu" name="Offers"
+              parent="estate_property_model_menu_root"
+              action="estate_property_offer_model_action" sequence="4"/>
+
+
+    <!-- List View -->
+    <record id="view_estate_property_model_list" model="ir.ui.view">
+      <field name="name">estate.property.model.list</field>
+      <field name="model">estate_property_model</field>
+      <field name="arch" type="xml">
+        <list>
+          <field name="name"/>
+          <field name="description"/>
+          <field name="expected_price"/>
+          <field name="living_area"/>
+          <field name="garden_area"/>
+          <field name="total_area"/>
+          <field name="property_type_id" />
+          <field name="property_tag_ids" />
+          <field name="property_offer_ids" />
+          <field name="best_price"/>
+        </list>
+      </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="view_estate_property_model_form" model="ir.ui.view">
+      <field name="name">estate.property.model.form</field>
+      <field name="model">estate_property_model</field>
+      <field name="arch" type="xml">
+        <form>
+          <header>
+            <button name="action_property_sold" string="Sold" type="object" icon="fa-check" />
+            <button name="action_property_cancelled" string="Cancelled" type="object" icon="fa-times" />
+          </header>
+          <sheet>
+            <group>
+              <group>
+                <field name="name"/>
+              </group>
+              <group>
+                <field name="expected_price"/>
+              </group>
+              <group>
+                <field name="property_type_id"/>
+              </group>
+              <group>
+                <field name="property_tag_ids"/>
+              </group>
+              <group>
+                <field name="property_status"/>
+              </group>
+            </group>
+            <notebook>
+              <page string="Description">
+                  <field name="description"/>
+              </page>
+              <page string="Offers">
+                <group>
+                  <group>
+                    <field name="property_offer_ids" />
+                  </group>
+                </group>
+              </page>
+              <page string="Other Info">
+                <group>
+                  <group>
+                    <field name="living_area"/>
+                  </group>
+                  <group>
+                    <field name="garden" />
+                    <field name="garden_area"/>
+                    <field name="garden_orientation"/>
+                  </group>
+                </group>
+              </page>
+            </notebook>
+          </sheet>
+        </form>
+      </field>
+    </record>
+
+    <!-- Search View -->
+    <record id="view_estate_property_model_search" model="ir.ui.view">
+      <field name="name">estate.property.model.search</field>
+      <field name="model">estate_property_model</field>
+      <field name="arch" type="xml">
+        <search string="Search Properties">
+          <field name="name" string="Property Name"></field>
+          <field name="expected_price"></field>
+          <field name="description" string="Description"></field>
+          <field name="property_type_id" string="Type"></field>
+
+          <filter string="High Value" name="high_value" domain="[('expected_price', '>=', '500000')]"></filter>
+        </search>
+      </field>
+    </record>
+  </data>
+</odoo>

estate/views/estate_property_offer.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+  <data>
+    <!-- Action -->
+    <record id="estate_property_offer_model_action" model="ir.actions.act_window">
+      <field name="name">Estate Property Offer</field>
+      <field name="res_model">estate_property_offer_model</field>
+      <field name="view_mode">list,form</field>
+    </record>
+
+    <!-- List View -->
+    <record id="view_estate_property_offer_model_list" model="ir.ui.view">
+      <field name="name">estate.property.offer.model.list</field>
+      <field name="model">estate_property_offer_model</field>
+      <field name="arch" type="xml">
+        <list>
+          <field name="sequence" widget="handle"/>
+          <field name="price"/>
+          <field name="partner_id"/>
+          <field name="property_id"/>
+          <button name="action_accept_offer" string="Accept" type="object" />
+          <button name="action_refuse_offer" string="Refuse" type="object" />
+          <field name="status"/>
+        </list>
+      </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="view_estate_property_offer_model_form" model="ir.ui.view">
+      <field name="name">estate.property.offer.model.form</field>
+      <field name="model">estate_property_offer_model</field>
+      <field name="arch" type="xml">
+        <form>
+          <sheet>
+            <group>
+              <group>
+                <field name="price"/>
+              </group>
+              <group>
+                <field name="status" widget='statusbar'/>
+              </group>
+              <group>
+                <field name="partner_id"/>
+              </group>
+              <group>
+                <field name="property_id"/>
+              </group>
+              <group>
+                <button name="action_accept_offer" string="Accept" type="object" />
+                <button name="action_refuse_offer" string="Refuse" type="object" />
+              </group>
+            </group>
+          </sheet>
+        </form>
+      </field>
+    </record>
+
+    <!-- Search View -->
+    <record id="view_estate_property_offer_model_search" model="ir.ui.view">
+      <field name="name">estate.property.offer.model.search</field>
+      <field name="model">estate_property_offer_model</field>
+      <field name="arch" type="xml">
+        <search string="Search Offers">
+          <field name="price" string="Property Price"></field>
+          <field name="status" string="Property Status"></field>
+        </search>
+      </field>
+    </record>
+  </data>
+</odoo>