ERP: addon kosbar_purchase_finance (permintaan barang gudang + approval PO finance)

addons/kosbar_purchase_finance/__init__.py

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+from . import models

addons/kosbar_purchase_finance/__manifest__.py

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+{
+    'name': 'Kos Barokah Purchase Finance',
+    'version': '1.0',
+    'category': 'Purchases',
+    'summary': 'Permintaan barang gudang + approval PO oleh Finance',
+    'author': 'Kos Barokah',
+    'license': 'LGPL-3',
+    'depends': ['purchase', 'stock', 'product', 'kosbar_erp_ext'],
+    'data': [
+        'security/res_groups.xml',
+        'security/ir.model.access.csv',
+        'data/ir_sequence.xml',
+        'views/purchase_request_views.xml',
+        'views/purchase_order_views.xml',
+    ],
+    'installable': True,
+    'application': False,
+}

addons/kosbar_purchase_finance/data/ir_sequence.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="1">
+        <record id="seq_purchase_request" model="ir.sequence">
+            <field name="name">Purchase Request Kos Barokah</field>
+            <field name="code">kosbar.purchase.request</field>
+            <field name="padding">5</field>
+            <field name="prefix">PR/%(year)s/</field>
+        </record>
+    </data>
+</odoo>

addons/kosbar_purchase_finance/models/__init__.py

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+from . import purchase_request
+from . import purchase_order

addons/kosbar_purchase_finance/models/purchase_order.py

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+from odoo import models, fields, api
+
+
+class PurchaseOrder(models.Model):
+    _inherit = 'purchase.order'
+
+    finance_state = fields.Selection([
+        ('pending', 'Pending Approval'),
+        ('approved', 'Finance Approved'),
+        ('rejected', 'Rejected'),
+    ], string='Status Finance', default='pending', tracking=True)
+
+    def action_finance_approve(self):
+        """Finance mengklik ini setelah review PO."""
+        return self.write({'finance_state': 'approved'})
+
+    def action_finance_reject(self):
+        """Finance menolak PO — ada catatan di notes."""
+        return self.write({'finance_state': 'rejected'})
+
+    @api.model
+    def _get_state_color(self):
+        # optional: styling di kanban view
+        return {'pending': 'warning', 'approved': 'success', 'rejected': 'danger'}

addons/kosbar_purchase_finance/models/purchase_request.py

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+from odoo import models, fields, api
+
+
+class PurchaseRequest(models.Model):
+    _name = 'kosbar.purchase.request'
+    _description = 'Purchase Request dari Gudang'
+    _order = 'id desc'
+
+    name = fields.Char(
+        string='Nomor Request',
+        required=True,
+        copy=False,
+        readonly=True,
+        default='New',
+    )
+    user_id = fields.Many2one(
+        'res.users',
+        string='Diminta Oleh',
+        default=lambda self: self.env.user,
+        required=True,
+    )
+    date_required = fields.Date(string='Tanggal Dibutuhkan', default=fields.Date.today())
+    state = fields.Selection([
+        ('draft', 'Draft'),
+        ('submitted', 'Submitted'),
+        ('approved', 'Approved / In Progress'),
+        ('done', 'Done'),
+        ('rejected', 'Rejected'),
+    ], string='Status', default='draft', tracking=True)
+
+    line_ids = fields.One2many(
+        'kosbar.purchase.request.line',
+        'request_id',
+        string='Daftar Barang',
+    )
+    notes = fields.Text(string='Catatan / Keperluan')
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if vals.get('name', 'New') == 'New':
+                seq = self.env['ir.sequence'].next_by_code('kosbar.purchase.request')
+                vals['name'] = seq if seq else 'PR/2026/00001'
+        return super().create(vals_list)
+
+    def action_submit(self):
+        self.write({'state': 'submitted'})
+
+    def action_approve(self):
+        self.write({'state': 'approved'})
+
+    def action_done(self):
+        self.write({'state': 'done'})
+
+    def action_reject(self):
+        self.write({'state': 'rejected'})
+
+    def action_draft(self):
+        self.write({'state': 'draft'})
+
+
+class PurchaseRequestLine(models.Model):
+    _name = 'kosbar.purchase.request.line'
+    _description = 'Detail Item Purchase Request'
+
+    request_id = fields.Many2one('kosbar.purchase.request', string='Request Reference', ondelete='cascade')
+    
+    # Bisa pilih barang existing ATAU buat barang baru langsung
+    is_new_product = fields.Boolean(string='Barang Baru?', default=False)
+    product_id = fields.Many2one('product.product', string='Produk (Existing)')
+    
+    # Jika barang baru
+    new_product_name = fields.Char(string='Nama Barang Baru')
+    categ_id = fields.Many2one('product.category', string='Kategori Barang')
+    
+    product_qty = fields.Float(string='Jumlah', default=1.0, required=True)
+    product_uom = fields.Many2one('uom.uom', string='Satuan', default=lambda self: self.env.ref('uom.product_uom_unit', raise_if_not_found=False))
+    price_unit = fields.Float(string='Estimasi Harga Satuan')
+    notes = fields.Char(string='Keterangan')

addons/kosbar_purchase_finance/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_purchase_request,access_purchase_request,model_kosbar_purchase_request,base.group_user,1,1,1,0
+access_purchase_request_line,access_purchase_request_line,model_kosbar_purchase_request_line,base.group_user,1,1,1,0
+access_purchase_order_finance,access_purchase_order_finance,model_purchase_order,kosbar_purchase_finance.group_finance,1,1,0,0

addons/kosbar_purchase_finance/security/res_groups.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="1">
+        <!-- Group Finance khusus -->
+        <record id="group_finance" model="res.groups">
+            <field name="name">Finance / Accounting Approval</field>
+            <field name="implied_ids" eval="[(4, ref('base.group_user'))]"/>
+        </record>
+    </data>
+</odoo>

addons/kosbar_purchase_finance/views/purchase_order_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Purchase Order : inherit form utk approval finance -->
+    <record id="view_purchase_order_finance" model="ir.ui.view">
+        <field name="name">purchase.order.form.finance</field>
+        <field name="model">purchase.order</field>
+        <field name="inherit_id" ref="purchase.purchase_order_form"/>
+        <field name="arch" type="xml">
+
+            <!-- Tombol approve/reject di header PO -->
+            <xpath expr="//header" position="inside">
+                <button name="action_finance_approve" string="Finance Approve"
+                        type="object" class="btn-success"
+                        groups="kosbar_purchase_finance.group_finance"
+                        invisible="finance_state in ['approved','rejected']"/>
+                <button name="action_finance_reject" string="Finance Reject"
+                        type="object" class="btn-danger"
+                        groups="kosbar_purchase_finance.group_finance"
+                        invisible="finance_state == 'rejected'"/>
+            </xpath>
+
+            <!-- Field status finance di sheet -->
+            <xpath expr="//sheet/div[hasclass('oe_button_box')]" position="inside">
+                <field name="finance_state" readonly="1"
+                       class="oe_stat_button" icon="fa-money"/>
+            </xpath>
+
+        </field>
+    </record>
+
+    <!-- Status finance di list view PO -->
+    <record id="view_purchase_order_finance_tree" model="ir.ui.view">
+        <field name="name">purchase.order.tree.finance</field>
+        <field name="model">purchase.order</field>
+        <field name="inherit_id" ref="purchase.purchase_order_tree"/>
+        <field name="arch" type="xml">
+            <field name="state" position="after">
+                <field name="finance_state" readonly="1"/>
+            </field>
+        </field>
+    </record>
+</odoo>

addons/kosbar_purchase_finance/views/purchase_request_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Purchase Request : List view -->
+    <record id="view_purchase_request_tree" model="ir.ui.view">
+        <field name="name">kosbar.purchase.request.tree</field>
+        <field name="model">kosbar.purchase.request</field>
+        <field name="arch" type="xml">
+            <list string="Permintaan Barang" editable="bottom">
+                <field name="name"/>
+                <field name="user_id"/>
+                <field name="date_required"/>
+                <field name="state"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Purchase Request : Form view -->
+    <record id="view_purchase_request_form" model="ir.ui.view">
+        <field name="name">kosbar.purchase.request.form</field>
+        <field name="model">kosbar.purchase.request</field>
+        <field name="arch" type="xml">
+            <form string="Permintaan Barang">
+                <header>
+                    <button name="action_submit" string="Submit" type="object"
+                            class="btn-primary" invisible="state != 'draft'"/>
+                    <button name="action_approve" string="Approved" type="object"
+                            class="btn-success" invisible="state != 'submitted'"/>
+                    <button name="action_done" string="Mark Done" type="object"
+                            class="btn-secondary" invisible="state != 'approved'"/>
+                    <button name="action_reject" string="Reject" type="object"
+                            class="btn-danger" invisible="state != 'submitted'"/>
+                    <button name="action_draft" string="Reset to Draft" type="object"
+                            invisible="state != 'rejected'"/>
+                    <field name="state" widget="statusbar" statusbar_visible="draft,submitted,approved,done"/>
+                </header>
+                <sheet>
+                    <div class="oe_title">
+                        <h1><field name="name" readonly="1"/></h1>
+                    </div>
+                    <group>
+                        <group>
+                            <field name="user_id"/>
+                            <field name="date_required"/>
+                        </group>
+                        <group>
+                            <field name="state" readonly="1"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="Barang">
+                            <field name="line_ids">
+                                <list editable="bottom">
+                                    <field name="is_new_product"/>
+                                    <field name="product_id" invisible="is_new_product"/>
+                                    <field name="new_product_name" invisible="not is_new_product"/>
+                                    <field name="categ_id" invisible="not is_new_product"/>
+                                    <field name="product_qty"/>
+                                    <field name="product_uom"/>
+                                    <field name="price_unit"/>
+                                    <field name="notes" optional="show"/>
+                                </list>
+                            </field>
+                        </page>
+                        <page string="Keterangan">
+                            <field name="notes" placeholder="Keperluan / alasan pembelian"/>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action & Menu -->
+    <record id="action_purchase_request" model="ir.actions.act_window">
+        <field name="name">Permintaan Barang</field>
+        <field name="res_model">kosbar.purchase.request</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <menuitem id="menu_purchase_request"
+              name="Permintaan Barang"
+              parent="purchase.menu_purchase_root"
+              action="action_purchase_request"
+              sequence="70"/>
+</odoo>