Purchase form

modules/purchase_trade/purchase.py

@@ -383,6 +383,8 @@ class Purchase(metaclass=PoolMeta):
     viewer = fields.Function(fields.Text(""),'get_viewer')
     execution_summary_viewer = fields.Function(
         fields.Text(""), 'get_execution_summary_viewer')
+    purchase_summary_data = fields.Function(
+        fields.Text("Purchase Summary"), 'get_purchase_summary_data')
     doc_template = fields.Many2One('doc.template',"Template")
     required_documents = fields.Many2Many(
         'contract.document.type', 'purchase', 'doc_type', 'Required Documents')
@@ -965,6 +967,48 @@ class Purchase(metaclass=PoolMeta):
             return 0.0
 
     def get_execution_summary_viewer(self, name=None):
+        data = self._get_purchase_execution_summary_data()
+        data = dict(data, type='execution-summary')
+        return "d3:" + json.dumps(data)
+
+    @staticmethod
+    def _summary_number(value):
+        if value is None:
+            return None
+        try:
+            return float(value)
+        except (TypeError, ValueError):
+            return None
+
+    def _get_purchase_map_summary_data(self):
+        dep_name = ''
+        arr_name = ''
+        departure = None
+        arrival = None
+        if self.from_location:
+            dep_name = self.from_location.name or self.from_location.rec_name
+            departure = {
+                "name": dep_name,
+                "lat": self._summary_number(self.from_location.lat),
+                "lon": self._summary_number(self.from_location.lon),
+            }
+        if self.to_location:
+            arr_name = self.to_location.name or self.to_location.rec_name
+            arrival = {
+                "name": arr_name,
+                "lat": self._summary_number(self.to_location.lat),
+                "lon": self._summary_number(self.to_location.lon),
+            }
+        route = '%s > %s' % (dep_name or '-', arr_name or '-')
+        return {
+            "from": dep_name,
+            "to": arr_name,
+            "route": route,
+            "departures": [departure] if departure else [],
+            "arrivals": [arrival] if arrival else [],
+        }
+
+    def _get_purchase_execution_summary_data(self):
         LotQt = Pool().get('lot.qt')
         rows = []
         totals = defaultdict(float)
@@ -1064,13 +1108,117 @@ class Purchase(metaclass=PoolMeta):
             totals['open'] += max(quantity - shipped, 0.0)
             totals['lines'] += 1
 
-        data = {
-            'type': 'execution-summary',
+        return {
             'unit': rows[0]['unit'] if rows else '',
             'totals': dict(totals),
             'rows': rows[:4],
         }
-        return "d3:" + json.dumps(data)
+
+    @staticmethod
+    def _json_decimal(value):
+        if value in (None, ''):
+            return None
+        return float(value)
+
+    def _get_purchase_pnl_summary_data(self):
+        currency = getattr(getattr(self, 'currency', None), 'code', None) or ''
+        graph = list(getattr(self, 'pnl_graph', None) or [])
+        graph = sorted(
+            graph, key=lambda line: (
+                getattr(line, 'valuation_date', None) or datetime.date.min,
+                getattr(line, 'id', 0) or 0))
+        if graph:
+            current = graph[-1]
+            previous = graph[-2] if len(graph) > 1 else None
+            pnl_value = getattr(current, 'pnl', None)
+            mtm_value = getattr(current, 'mtm', None)
+            previous_pnl = getattr(previous, 'pnl', None) if previous else None
+            previous_mtm = getattr(previous, 'mtm', None) if previous else None
+            pnl_change = (
+                pnl_value - previous_pnl
+                if pnl_value is not None and previous_pnl is not None
+                else None)
+            mtm_change = (
+                mtm_value - previous_mtm
+                if mtm_value is not None and previous_mtm is not None
+                else None)
+            return {
+                "pnl": {
+                    "value": self._json_decimal(pnl_value),
+                    "currency": currency,
+                    "change_d1": self._json_decimal(pnl_change),
+                },
+                "mtm": {
+                    "value": self._json_decimal(mtm_value),
+                    "currency": currency,
+                    "change": self._json_decimal(mtm_change),
+                },
+            }
+
+        pnl_value = Decimal('0')
+        mtm_value = Decimal('0')
+        if self.group_pnl:
+            lines = getattr(self, 'pnl', None) or []
+            for line in lines:
+                pnl_value += Decimal(str(getattr(line, 'r_pnl', 0) or 0))
+                mtm_value += Decimal(str(getattr(line, 'r_mtm', 0) or 0))
+        else:
+            lines = getattr(self, 'pnl_', None) or []
+            for line in lines:
+                pnl_value += Decimal(str(getattr(line, 'pnl', 0) or 0))
+                mtm_value += Decimal(str(getattr(line, 'mtm', 0) or 0))
+        return {
+            "pnl": {
+                "value": self._json_decimal(pnl_value),
+                "currency": currency,
+                "change_d1": None,
+            },
+            "mtm": {
+                "value": self._json_decimal(mtm_value),
+                "currency": currency,
+                "change": None,
+            },
+        }
+
+    def _get_purchase_activity_summary_data(self):
+        if not getattr(self, 'id', None):
+            return []
+        Log = Pool().get('ir.model.log')
+        logs = Log.search([
+            ('resource', '=', 'purchase.purchase,%s' % self.id),
+            ], limit=4)
+        event_types = {
+            'write': 'info',
+            'transition': 'approved',
+            'button': 'success',
+            'wizard': 'info',
+            'delete': 'warning',
+        }
+        activity = []
+        for log in logs:
+            date = getattr(log, 'create_date', None)
+            user = getattr(getattr(log, 'user', None), 'rec_name', None) or ''
+            text = getattr(log, 'action', None) or getattr(log, 'target', None)
+            if not text:
+                text = getattr(log, 'event_string', None) or log.event
+            activity.append({
+                "type": event_types.get(log.event, 'info'),
+                "text": text,
+                "date": date.strftime('%d/%m/%Y') if date else '',
+                "user": user,
+            })
+        return activity
+
+    def get_purchase_summary_data(self, name=None):
+        data = {
+            "currency": getattr(getattr(self, 'currency', None), 'code', None)
+                or '',
+            "map": self._get_purchase_map_summary_data(),
+            "execution": self._get_purchase_execution_summary_data(),
+            "activity": self._get_purchase_activity_summary_data(),
+        }
+        data.update(self._get_purchase_pnl_summary_data())
+        return json.dumps(data)
 
     def getLots(self):
         if self.lines:
@@ -1078,9 +1226,15 @@ class Purchase(metaclass=PoolMeta):
                 return [l for l in self.lines.lots]
 
 
-    @fields.depends('party','from_location','to_location')
-    def on_change_with_viewer(self):
-            return self.get_viewer()
+    @fields.depends('party','from_location','to_location')
+    def on_change_with_viewer(self):
+            return self.get_viewer()
+
+    @fields.depends(
+        'currency', 'from_location', 'to_location', 'lines', 'pnl', 'pnl_',
+        'pnl_graph', 'group_pnl')
+    def on_change_with_purchase_summary_data(self, name=None):
+            return self.get_purchase_summary_data()
     
     @fields.depends('doc_template','required_documents')
     def on_change_with_required_documents(self):

modules/purchase_trade/view/purchase_form.xml

@@ -22,20 +22,14 @@ this repository contains the full copyright notices and license terms. -->
             <field name="currency"/>
         </group>
 
-        <group id="purchase_header_visuals" colspan="6" col="2"
-            xalign="0" yalign="0" col_widths="1fr,1fr">
-            <group id="purchase_map" string="Map" colspan="1" col="1"
-                panel="card" icon="tryton-public" xalign="0" yalign="0"
-                col_widths="1fr">
-                <field name="viewer" widget="html_viewer" height="120"/>
-            </group>
-            <group id="purchase_recap" string="Execution summary"
-                colspan="1" col="1" panel="card" icon="tryton-note"
-                xalign="0" yalign="0"
-                col_widths="1fr">
-                <field name="execution_summary_viewer" widget="html_viewer"
-                    height="120"/>
-            </group>
+        <group id="purchase_header_visuals" colspan="6" col="4"
+            string="Purchase summary" icon="tryton-dashboard"
+            panel="card" xalign="0" yalign="0"
+            col_widths="1fr,1fr,1fr,1fr">
+            <field name="purchase_summary_data"
+                widget="purchase_summary"
+                colspan="4"
+                height="168"/>
         </group>
 
         <group id="purchase_header_terms_people" colspan="6" col="2"