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
|
import logging
import magic
from crispy_forms.helper import FormHelper
from crispy_forms.layout import Submit
from django import forms
from .models import ResourceCategory
from .models import ResourceType
logger = logging.getLogger(__name__)
ALLOWED_THUMBNAILS = 5
ALLOWED_PDFS = 20
class ResourceCreateForm(forms.Form):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.helper = FormHelper(self)
self.helper.add_input(Submit("submit", "Submit"))
error_css_class = "error"
required_css_class = "required"
name = forms.CharField(
max_length=255,
help_text="Concisely describe what the resource is, aiming for"
"35-45 characters. "
"eg: 'Fractions KS2 Worksheet and Answers.'",
)
description = forms.CharField(
max_length=1000,
widget=forms.Textarea,
help_text="This is your opportunity to clearly explain what your resource "
"is all "
"about! It’s worth remembering that you are using the space to "
"communicate to two "
"different audiences. Firstly, think about what fellow teachers "
"would like "
"to know, such as exactly what the resource contains and how it "
"could be used in the classroom. Secondly, the words you include "
"on this page are also talking to internal and external search "
"engines."
" External search engines, like Google, show the first 155 characters "
"of the resource description, so make sure you take advantage "
"of these "
"characters by using lots of relevant keywords as part of an "
"enticing pitch.",
)
resource_type = forms.ModelChoiceField(queryset=ResourceType.objects.all())
age_range = forms.ChoiceField(
choices=[
("3-5", "3-5"),
("5-7", "5-7"),
("7-11", "7-11"),
("11-14", "11-14"),
("14-16", "14-16"),
("16+", "16+"),
("Age not applicable", "Age not applicable"),
],
help_text="Try to be accurate in your choice of age range so that your resource "
"shows up in the correct searches. (Although we don't have searches yet!)",
)
curriculum = forms.ChoiceField(
choices=[
("No curriculum", "No curriculum"),
("English", "English"),
("Scottish", "Scottish"),
],
)
main_resource_category = forms.ModelChoiceField(
queryset=ResourceCategory.objects.all(),
help_text="Categorise your resource by subject so it shows up in the correct "
"searches. It's a good idea to limit the number of subjects you select "
"to one or two to make your resource easier to find.",
)
additional_resource_category = forms.ModelChoiceField(
queryset=ResourceCategory.objects.all(),
required=False,
)
pdf_files = forms.FileField(
widget=forms.TextInput(
attrs={
"multiple": True,
"type": "File",
"required": True,
},
),
required=False,
help_text="You can multi-select up to 20 .pdf files here.",
label="PDF files",
)
thumbnail_files = forms.FileField(
widget=forms.TextInput(
attrs={
"multiple": True,
"type": "File",
"required": True,
},
),
required=False,
label="Cover images",
help_text="Your cover image will be displayed in the search results and as "
"the first image on your resource page in the preview function. "
"It is important to add an eye catching cover image that gives "
"other teachers an idea about what your resource contains. "
"You can multi-select up to 5 .png or .jpg files here.",
)
pdf_files.widget.attrs.update({"class": "file_upload", "accept": ".pdf"})
thumbnail_files.widget.attrs.update({"class": "file_upload", "accept": ".png,.jpg"})
def clean_thumbnail_files(self):
thumbnail_files = self.files.getlist("thumbnail_files")
if not thumbnail_files:
raise forms.ValidationError("Please select at least one thumbnail file.")
acceptable = ["image/png", "image/jpeg"]
for f in thumbnail_files:
content_type = magic.from_buffer(f.file.read(), mime=True)
f.file.seek(0)
if content_type not in acceptable:
raise forms.ValidationError("Please select only PNG or JPG files.")
if len(thumbnail_files) > ALLOWED_THUMBNAILS:
raise forms.ValidationError("Please select up to 5 files.")
return thumbnail_files
def clean_pdf_files(self):
pdf_files = self.files.getlist("pdf_files")
if not pdf_files:
raise forms.ValidationError("Please select at least one PDF file.")
acceptable = ["application/pdf"]
for f in pdf_files:
content_type = magic.from_buffer(f.file.read(), mime=True)
f.file.seek(0)
if content_type not in acceptable:
raise forms.ValidationError("Please select only PDF files.")
if len(pdf_files) > ALLOWED_PDFS:
raise forms.ValidationError("Please select up to 20 PDF files.")
return pdf_files
|
