1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
from datetime import datetime
from django.contrib.auth.models import User
from pytask.taskapp.models import Notification, RIGHTS_CHOICES
def create_notification(role, sent_to, sent_from=None, reply=None, task=None, remarks=None, requested_by=None, receiving_user=None, pynts=None):
"""
creates a notification based on the passed arguments.
role: role of the notification - look at choices in models
sent_to: a user to which the notification is to be sent
sent_from : a user from which the message has originated
A user who approves/rejects in case of request
A mentor who closes/complets the task
reply: A boolean
task: a task if applicable
requested_by: a user makes the request
A mentor who assigns credits in case of pynts
A mentor who requests to act as a mentor
remarks: any remarks for rejecting
receiving_user: user receiving pynts
pynts: the obvious
"""
notification = Notification(sent_date = datetime.now())
notification.role = role
notification.sent_to = sent_to
notification.save()
if role == "PY":
notification.sent_from = sent_from
notification.task = task
notification.pynts = pynts
task_url= '<a href="/task/view/tid=%s">%s</a>'%(task.id, task.title)
credits_url = '<a href="/task/assigncredits/tid=%s">%s</a>'%(task.id, "click here")
mentor_url = '<a href="/user/view/uid=%s">%s</a>'%(requested_by.id, requested_by.username)
admin_url = '<a href="/user/view/uid=%s">%s</a>'%(sent_from.id, sent_from.username)
user_url = '<a href="/user/view/uid=%s">%s</a>'%(receiving_user.id, receiving_user.username)
if reply:
notification.sub = "Approved request for assign of credits for %s"%task.title[:20]
notification.message = """ Request made by %s to assign %s pynts to %s for the task %s has been approved by %s<br />
%s if you want the view/assign pynts page of the task.<br />"""%(mentor_url, pynts, user_url, task_url, admin_url, credits_url)
else:
notification.sub = "Rejected request for assign of credits for %s"%task.title[:20]
notification.message = """ Request made by %s to assign %s pynts to %s for the task %s has been rejected by %s.<br /> """%(mentor_url, pynts, user_url, task_url, admin_url)
if remarks:
notification.remarks = remarks
notification.message += "Reason: %s<br />"%remarks
notification.message += "<br />"
elif role == "MT":
task_url= '<a href="/task/view/tid=%s">%s</a>'%(task.id, task.title)
requested_mentor_url = '<a href="/user/view/uid=%s">%s</a>'%(requested_by.id, requested_by.username)
new_mentor = sent_from
new_mentor_url = '<a href="/user/view/uid=%s">%s</a>'%(new_mentor.id, new_mentor.username)
if reply:
notification.sub = "New mentor for the task %s"%task.title[:20]
notification.message = "%s has accepted the request made by %s, asking him act as a mentor for the task %s<br />"%(new_mentor_url, requested_mentor_url, task_url)
notification.message += "He can be contacted on %s"%new_mentor.email
else:
notification.sub = "%s rejected request to act as a mentor"%new_mentor.username
notification.message = "%s has rejected your request asking him to act as a mentor for %s.<br />"%(new_mentor_url, task_url)
if remarks:
notification.message += "Remarks: %s<br />"%remarks
elif role in ["DV", "MG", "AD"]:
accepting_user = sent_from
user_url = '<a href="/user/view/uid=%s">%s</a>'%(accepting_user.id, accepting_user.username) ## i mean the user who has accepted it
requested_by_url = '<a href="/user/view/uid=%s">%s</a>'%(requested_by.id, requested_by.username)
role_rights = dict(RIGHTS_CHOICES)[role]
role_learn_url = "/about/%s"%role_rights.lower()
a_or_an = "an" if role_rights == "AD" else "a"
if reply:
notification.sub = "New %s for the site"%role_rights
notification.message = "%s has accepted request made by %s asking him to act as %s %s for the website.<br />"%(user_url, requested_by_url, a_or_an, role_rights)
else:
notification.sub = "Rejected your request to act as %s"%role_rights
notification.message = "%s has rejected your request asking him to act as %s %s.<br />"%(user_url, a_or_an, role_rights)
if remarks:
notification.message += "Remarks: %s<br />"%remarks
elif role == "NT":
new_mentor = sent_to
mentor_learn_url = '<sup><a href="/about/mentor">learn more</a></sup>'
task_url= '<a href="/task/view/tid=%s">%s</a>'%(task.id, task.title)
notification.sub = "You are mentoring the task %s"%task.title[:20]
notification.message = "You have accepted to act as a mentor%s for the task %s.<br />"%(mentor_learn_url, task_url)
notification.message += " Here is a list of other mentors and their email addresses.<br /> <ul>"
for a_mentor in task.mentors.exclude(id=new_mentor.id):
notification.message += "<li> %s - %s </li>"%(a_mentor.username, a_mentor.email)
notification.message += "</ul>"
working_users = task.assigned_users.all()
if working_users:
notification_message += "List of users working on the task.<br />"
notification_message += "<ul>"
for a_user in working_users:
notification.message += "<li> %s - %s </li>"%(a_user.username, a_user.email)
notification.message += "</ul><br />"
notification.message += "Happy Mentoring."
notification.save()
def mark_notification_read(notification_id):
"""
makes a notification identified by the notification_id read.
arguments:
notification_id - a number denoting the id of the Notification object
"""
try:
notification = Notification.objects.get(id = notification_id)
except Notification.DoesNotExist:
return False
notification.is_read = True
notification.save()
return True
def delete_notification(notification_id):
"""
deletes a notification identified by the notification_id.
arguments:
notification_id - a number denoting the id of the Notification object
"""
try:
notification = Notification.objects.get(id = notification_id)
except Notification.DoesNotExist:
return False
notification.is_deleted = True
notification.save()
return True
def get_notification(nid, user):
""" if notification exists, and belongs to the current user, return it.
else return None.
"""
user_notifications = user.notification_sent_to.filter(is_deleted=False).order_by('sent_date')
current_notifications = user_notifications.filter(id=nid)
if user_notifications:
current_notification = current_notifications[0]
try:
newer_notification = current_notification.get_next_by_sent_date(sent_to=user, is_deleted=False)
newest_notification = user_notifications.reverse()[0]
if newest_notification == newer_notification:
newest_notification = None
except Notification.DoesNotExist:
newest_notification, newer_notification = None, None
try:
older_notification = current_notification.get_previous_by_sent_date(sent_to=user, is_deleted=False)
oldest_notification = user_notifications[0]
if oldest_notification == older_notification:
oldest_notification = None
except:
oldest_notification, older_notification = None, None
return newest_notification, newer_notification, current_notification, older_notification, oldest_notification
else:
return None, None, None, None, None
|
