[IMP][FIX]DOCX Report Generation : enhancements

* Fixes for assets ;
* Handle HTML fields with basic rendering ;
* Add Jinja filters ;
* Add JSON Loads for TPL usage (context).

docx_report_generation/__manifest__.py

@@ -11,20 +11,20 @@
 
         This is the beta version, bugs may be present.
     """,
-    "author": "RYDLAB",
+    "author": "RYDLAB, Yaltik",
     "website": "https://rydlab.ru",
     "category": "Technical",
-    "version": "16.0.2.0.0",
+    "version": "16.0.2.1.0",
     "license": "LGPL-3",
     "depends": ["base", "web", "custom_report_field", "report_monetary_helpers"],
-    "external_dependencies": {"python": ["docxcompose", "docxtpl", "bs4"]},
+    "external_dependencies": {"python": ["docxcompose", "docxtpl", "beautifulsoup4"]},
     "data": [
         "views/ir_actions_report_views.xml",
     ],
     "assets": {
         "web.assets_backend": [
-            "docx_report/static/src/css/mimetypes.css",
+            "docx_report_generation/static/src/css/mimetypes.css",
-            "docx_report/static/src/js/action_manager_report.js",
+            "docx_report_generation/static/src/js/action_manager_report.js",
         ],
     },
     "images": ["static/description/banner.jpg"],

docx_report_generation/models/ir_actions_report.py

@@ -2,11 +2,20 @@ from base64 import b64decode
 from bs4 import BeautifulSoup
 from collections import OrderedDict
 from io import BytesIO
+from functools import partial
+from re import findall
+from json import loads
 from logging import getLogger
 
+from lxml import etree
+
 from docx import Document
+from docx.oxml import OxmlElement
+from docx.oxml.ns import qn
+from docx.shared import RGBColor
 from docxcompose.composer import Composer
 from docxtpl import DocxTemplate
+import jinja2
 from requests import codes as codes_request, post as post_request
 from requests.exceptions import RequestException
 
@@ -14,6 +23,7 @@ from odoo import _, api, fields, models
 from odoo.exceptions import AccessError, UserError
 from odoo.http import request
 from odoo.tools.safe_eval import safe_eval, time
+from odoo.tools.misc import format_date
 
 try:
     from odoo.addons.gotenberg.service.utils import (
@@ -419,24 +429,77 @@ class IrActionsReport(models.Model):
         )
 
         record_to_render = values["docs"]
+        # No more HTML / Markup stripping
         docs = {
             key: record_to_render[key]
             for key in record_to_render._fields.keys()
-            if not isinstance(record_to_render[key], fields.Markup)
+            # if not isinstance(record_to_render[key], fields.Markup)
         }
-        docs.update(
-            {
-                key: self._parse_markup(record_to_render[key])
-                for key in record_to_render._fields.keys()
-                if isinstance(record_to_render[key], fields.Markup)
-            }
-        )
         values["docs"] = docs
 
+        def _html_generate(field, tpl):
+
+            def _create_list(paragraph, list_type):
+                p = paragraph._p #access to xml paragraph element
+                pPr = p.get_or_add_pPr() #access paragraph properties
+                numPr = OxmlElement('w:numPr') #create number properties element
+                numId = OxmlElement('w:numId') #create numId element - sets bullet type
+                numId.set(qn('w:val'), list_type) #set list type/indentation
+                numPr.append(numId) #add bullet type to number properties list
+                pPr.append(numPr) #add number properties to paragraph
+
+            if isinstance(field, fields.Markup):
+                html_field = str(field).replace('<br>', '').replace('&nbsp;', ' ')
+                xml_tree = etree.fromstring('<root>%s</root>' % html_field)
+                md = tpl.new_subdoc()
+                for child in xml_tree.iter():
+                    if child.tag in ('p', 'strong', 'em', 's', 'u', 'ul',
+                                     'ol', 'li', 'font', 'a'):
+                        if child.tag == 'p':
+                            p = md.add_paragraph(child.text)
+                        elif child.tag == 'a':
+                            p.add_run(child.text).style = 'Hyperlink'
+                        elif child.tag == 'strong':
+                            p.add_run(child.text).bold = True
+                            p.add_run(' ')
+                        elif child.tag == 'em':
+                            p.add_run(child.text).italic = True
+                            p.add_run(' ')
+                        elif child.tag == 'u':
+                            p.add_run(child.text).underline = True
+                            p.add_run(' ')
+                        elif child.tag == 's':
+                            p.add_run(child.text).font.strike = True
+                            p.add_run(' ')
+                        elif child.tag == 'font' and 'style' in child.attrib:
+                            if 'color' in child.get('style'):
+                                rgb = [int(_v)
+                                       for _v in findall(r'\d+', child.get('style'))]
+                                if len(rgb) == 3:
+                                    p.add_run(child.text).font.color.rgb = RGBColor(*rgb)
+                                else:
+                                    p.add_run(child.text)
+                        elif child.tag == 'ul':
+                            list_type = '9' # 9/25/28 : •, 8 : -, 19 : v
+                        elif child.tag == 'ol':
+                            list_type = '30' # 27 : 1.2 sans indent, 30: 1.2
+                        elif child.tag == 'li':
+                             lp = md.add_paragraph(child.text, style='List Paragraph')
+                             _create_list(lp, list_type)
+                    elif child.tag == 'root':
+                        continue
+                    else: # Not handled, add text only
+                        p.add_run(child.text)
+            return md
+
+        jinja_env = jinja2.Environment()
+
         docx_content = BytesIO()
         with BytesIO(b64decode(template)) as template_file:
             doc = DocxTemplate(template_file)
-            doc.render(values)
+            jinja_env.filters['htmlgen'] = partial(_html_generate, tpl=doc)
+            jinja_env.filters['datefmt'] = lambda dt: format_date(self.env, dt)
+            doc.render(values, jinja_env)
             doc.save(docx_content)
         docx_content.seek(0)
         return docx_content
@@ -476,3 +539,11 @@ class IrActionsReport(models.Model):
             _logger.exception(e)
         finally:
             return result
+
+    @api.model
+    def _get_rendering_context(self, report, docids, data):
+        data = super()._get_rendering_context(report, docids, data)
+        data.update({
+            'jloads': loads,
+        })
+        return data