Add cache; bugfixing

ereuse_devicehub/resources/device/views.py

@@ -107,6 +107,7 @@ class DeviceView(View):
         return self.schema.jsonify(device)
 
     @auth.Auth.requires_auth
+    @cache(datetime.timedelta(minutes=1))
     def find(self, args: dict):
         """Gets many devices."""
         # Compute query

ereuse_devicehub/resources/documents/templates/documents/erasure.html

@@ -20,9 +20,11 @@
             <td>
               {{ erasure.parent.serial_number.upper() }}
             </td>
+          {% else %}
+            <td></td>
           {% endif %}
           <td>
-            {{ erasure.parent.tags }}
+            {{ erasure.parent.tags.__format__('') }}
           </td>
           <td>
             {{ erasure.device.serial_number.upper() }}
@@ -55,14 +57,16 @@
           <dd>{{ erasure.parent.tags }}</dd>
           <dt>Erasure:</dt>
           <dd>{{ erasure.__format__('ts') }}</dd>
-          <dt>Erasure steps:</dt>
-          <dd>
-            <ol>
-              {% for step in erasure.steps %}
-                <li>{{ step.__format__('') }}</li>
-              {% endfor %}
-            </ol>
-          </dd>
+          {% if erasure.steps %}
+            <dt>Erasure steps:</dt>
+            <dd>
+              <ol>
+                {% for step in erasure.steps %}
+                  <li>{{ step.__format__('') }}</li>
+                {% endfor %}
+              </ol>
+            </dd>
+          {% endif %}
         </dl>
       </div>
     {% endfor %}

ereuse_devicehub/resources/event/models.py

@@ -350,7 +350,10 @@ class EraseBasic(JoinedWithOneDeviceMixin, EventWithOneDevice):
             else:
                 std = 'no standard'
             v += 'Method used: {}, {}. '.format(self.method, std)
-            v += '{} elapsed, on {}'.format(self.elapsed, self.date_str)
+            if self.end_time and self.start_time:
+                v += '{} elapsed. '.format(self.elapsed)
+
+            v += 'On {}'.format(self.date_str)
         return v
 
 

ereuse_devicehub/resources/event/models.pyi

@@ -61,6 +61,18 @@ class Event(Thing):
     def url(self) -> urlutils.URL:
         pass
 
+    @property
+    def elapsed(self) -> timedelta:
+        pass
+
+    @property
+    def certificate(self) -> Optional[urlutils.URL]:
+        return None
+
+    @property
+    def date_str(self):
+        return '{:%c}'.format(self.end_time or self.created)
+
 
 class EventWithOneDevice(Event):
 

ereuse_devicehub/resources/lot/views.py

@@ -1,9 +1,11 @@
+import datetime
 import uuid
 from collections import deque
 from enum import Enum
 from typing import Dict, List, Set, Union
 
 import marshmallow as ma
+import teal.cache
 from flask import Response, jsonify, request
 from marshmallow import Schema as MarshmallowSchema, fields as f
 from teal.marshmallow import EnumField
@@ -50,6 +52,7 @@ class LotView(View):
         lot = Lot.query.filter_by(id=id).one()  # type: Lot
         return self.schema.jsonify(lot)
 
+    @teal.cache.cache(datetime.timedelta(minutes=5))
     def find(self, args: dict):
         """
         Gets lots.

ereuse_devicehub/resources/tag/model.py

@@ -2,10 +2,10 @@ from contextlib import suppress
 from typing import Set
 
 from boltons import urlutils
-from sqlalchemy import BigInteger, Column, ForeignKey, Unicode, UniqueConstraint
+from sqlalchemy import BigInteger, Column, ForeignKey, UniqueConstraint
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import backref, relationship, validates
-from teal.db import DB_CASCADE_SET_NULL, Query, URL, check_lower
+from teal.db import DB_CASCADE_SET_NULL, Query, URL
 from teal.marshmallow import ValidationError
 from teal.resource import url_for_resource
 
@@ -123,4 +123,4 @@ class Tag(Thing):
         return '{0.id} org: {0.org.name} device: {0.device}'.format(self)
 
     def __format__(self, format_spec: str) -> str:
-        return '{0.org.name} {0.id}'
+        return '{0.org.name} {0.id}'.format(self)

ereuse_devicehub/resources/tag/view.py

@@ -1,3 +1,6 @@
+import datetime
+
+import teal.cache
 from flask import Response, current_app as app, g, redirect, request
 from flask_sqlalchemy import Pagination
 from teal.marshmallow import ValidationError
@@ -19,6 +22,7 @@ class TagView(View):
             res = self._post_one()
         return res
 
+    @teal.cache.cache(datetime.timedelta(minutes=1))
     def find(self, args: dict):
         tags = Tag.query.filter(Tag.is_printable_q()) \
             .order_by(Tag.created.desc()) \