add product sequence

app_product_sequence/models/__init__.py

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+# -*- coding: utf-8 -*-
+import product_template
+import product_product
+import product_internal_type

app_product_sequence/models/product_internal_type.py

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+# -*- coding: utf-8 -*-
+
+# Created on 2017-11-05
+# author: 广州尚鹏，http://www.sunpop.cn
+# email: 300883@qq.com
+# resource of Sunpop
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+# Odoo在线中文用户手册（长期更新）
+# http://www.sunpop.cn/documentation/user/10.0/zh_CN/index.html
+
+# Odoo10离线中文用户手册下载
+# http://www.sunpop.cn/odoo10_user_manual_document_offline/
+# Odoo10离线开发手册下载-含python教程，jquery参考，Jinja2模板，PostgresSQL参考（odoo开发必备）
+# http://www.sunpop.cn/odoo10_developer_document_offline/
+# description:
+
+from openerp import api, fields, models, _
+
+
+class ProductInternalType(models.Model):
+    _name = "product.internal.type"
+
+    name = fields.Char('Display Name',default='Normal')
+    description = fields.Char('Description')
+    # 因为default_code有odoo的处理方式，影响面大，故会将其另存到 default_code_stored
+    link_sequence = fields.Many2one(
+        'ir.sequence', 'Link Sequence',
+        auto_join=True, required=True, domain="[('code', '=', 'product.product')]")
+    sequence_prefix = fields.Char(u'Sequence Prefix', related='link_sequence.prefix', readonly=True, store=False)
+
+    # _sql_constraints = [
+    #     ('uniq_link_sequence',
+    #      'unique(link_sequence)',
+    #      'The Link Sequence must be unique'),
+    # ]

app_product_sequence/models/product_product.py

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+# -*- coding: utf-8 -*-
+
+# Created on 2017-11-05
+# author: 广州尚鹏，http://www.sunpop.cn
+# email: 300883@qq.com
+# resource of Sunpop
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+# Odoo在线中文用户手册（长期更新）
+# http://www.sunpop.cn/documentation/user/10.0/zh_CN/index.html
+
+# Odoo10离线中文用户手册下载
+# http://www.sunpop.cn/odoo10_user_manual_document_offline/
+# Odoo10离线开发手册下载-含python教程，jquery参考，Jinja2模板，PostgresSQL参考（odoo开发必备）
+# http://www.sunpop.cn/odoo10_developer_document_offline/
+# description:
+from openerp import models, fields, api, exceptions,  _
+
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+    default_code = fields.Char('Internal Reference', index=True, readonly=True, default='New', copy=False)
+    default_code_index = fields.Integer('Internal Reference Index',  readonly=True)
+
+    _sql_constraints = [
+        ('uniq_default_code',
+         'unique(default_code)',
+         'The reference must be unique'),
+    ]
+
+    @api.model
+    def create(self, vals):
+        # todo: but 先建空白产品后，编辑给2个以上变体，序号会少个 -1
+        # code_index: 当没有变体现时，值为0，有变体时，为该变体序号
+        if 'default_code' not in vals or vals['default_code'] == 'New':
+            code_index = 0
+            if 'product_tmpl_id' in vals:
+                template = self.env['product.template'].search([('id', '=', vals['product_tmpl_id'])], limit=1)
+                mylen = len(template.product_variant_ids)
+            # created from product_template
+            if 'product_tmpl_id' in vals:
+                template = self.env['product.template'].search([('id', '=', vals['product_tmpl_id'])], limit=1)
+                attr = vals['attribute_value_ids'][0][2]
+                if not(attr):
+                    # 没有属性值，则是单规格产品。attribute_value_ids格式为[6,0,[]]。多规格时，attribute_value_ids格式为[6,0,[x]]
+                    code_index = 0
+                    vals['default_code_index'] = code_index
+                    vals['default_code'] = template.default_code_stored
+                elif mylen == 0:
+                    # 有属性值了，自己是第一个规格
+                    code_index = 1
+                    vals['default_code_index'] = code_index
+                    vals['default_code'] = template.default_code_stored + '-%03d'%(code_index)
+                elif mylen == 1:
+                    # 已存在1个，当存在的1个有属性时，要改已存在的product值
+                    code_index = template.product_variant_ids[:1].default_code_index
+                    if template.product_variant_ids[:1].attribute_value_ids:
+                        if code_index == 0:
+                            code_index = 1
+                        template.product_variant_ids[:1].default_code_index = code_index
+                        template.product_variant_ids[:1].default_code = template.default_code_stored + '-%03d'%(code_index)
+                    # 接着改当前操作的product值
+                    code_index = code_index + 1
+                    vals['default_code_index'] = code_index
+                    vals['default_code'] = template.default_code_stored + '-%03d'%(code_index)
+                else:
+                    # 找到最大的序号
+                    variant_max = max(template.product_variant_ids,key=lambda x: x['default_code_index'])
+                    code_index = variant_max['default_code_index'] + 1
+                    vals['default_code_index'] = code_index
+                    vals['default_code'] = template.default_code_stored + '-%03d'%(code_index)
+            else:
+                # create from product_product
+                sequence = self.env['product.internal.type'].search([('id', '=', vals['internal_type'])], limit=1)
+                vals['default_code'] = sequence.link_sequence.next_by_id()
+        return super(ProductProduct, self).create(vals)
+
+    @api.multi
+    def copy(self, default=None):
+        if len(self.product_tmpl_id.product_variant_ids)>1 :
+            raise exceptions.ValidationError(_('Product varient can only create in Product view!'))
+        return super(ProductProduct, self).copy(default=None)

app_product_sequence/models/product_template.py

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+# -*- coding: utf-8 -*-
+
+# Created on 2017-11-05
+# author: 广州尚鹏，http://www.sunpop.cn
+# email: 300883@qq.com
+# resource of Sunpop
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+# Odoo在线中文用户手册（长期更新）
+# http://www.sunpop.cn/documentation/user/10.0/zh_CN/index.html
+
+# Odoo10离线中文用户手册下载
+# http://www.sunpop.cn/odoo10_user_manual_document_offline/
+# Odoo10离线开发手册下载-含python教程，jquery参考，Jinja2模板，PostgresSQL参考（odoo开发必备）
+# http://www.sunpop.cn/odoo10_developer_document_offline/
+# description:
+
+from openerp import api, fields, models, exceptions, _
+
+
+class ProductTemplate(models.Model):
+    _name = "product.template"
+    _inherit = ['product.template']
+
+    internal_type = fields.Many2one(
+        'product.internal.type', 'Internal Type',
+        auto_join=True, required=True)
+
+    default_code = fields.Char(
+        'Internal Reference', compute='_compute_default_code',
+        inverse='_set_default_code', store=True, readonly=True,
+        default='New', copy=False)
+    # 因为default_code有odoo的处理方式，影响面大，故会将其另存到 default_code_stored
+    default_code_stored = fields.Char('Internal Reference Stored',default='New')
+
+    @api.model
+    def create(self, vals):
+        if 'attribute_line_ids' in vals:
+            if len(vals['attribute_line_ids'])>0:
+                raise exceptions.ValidationError(_('Please save product first before adding varients!'))
+        if 'default_code' not in vals or vals['default_code'] == 'New':
+            sequence = self.env['product.internal.type'].search([('id', '=', vals['internal_type'])], limit=1)
+            vals['default_code'] = sequence.link_sequence.next_by_id()
+        vals['default_code_stored'] = vals['default_code']
+        return super(ProductTemplate, self).create(vals)
+
+    @api.depends('product_variant_ids', 'product_variant_ids.default_code')
+    def _compute_default_code(self):
+        unique_variants = self.filtered(lambda template: len(template.product_variant_ids) == 1)
+        for template in unique_variants:
+            template.default_code = template.product_variant_ids.default_code
+        for template in (self):
+            if len(template.product_variant_ids)>1:
+                template.default_code = ''
+
+    @api.one
+    def _set_default_code(self):
+        if len(self.product_variant_ids) == 1:
+            self.product_variant_ids.default_code = self.default_code_stored
+