/
whatsapp_cloud_service.rb
162 lines (137 loc) 路 4.55 KB
/
whatsapp_cloud_service.rb
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
class Whatsapp::Providers::WhatsappCloudService < Whatsapp::Providers::BaseService
def send_message(phone_number, message)
if message.attachments.present?
send_attachment_message(phone_number, message)
elsif message.content_type == 'input_select'
send_interactive_text_message(phone_number, message)
else
send_text_message(phone_number, message)
end
end
def send_template(phone_number, template_info)
response = HTTParty.post(
"#{phone_id_path}/messages",
headers: api_headers,
body: {
messaging_product: 'whatsapp',
to: phone_number,
template: template_body_parameters(template_info),
type: 'template'
}.to_json
)
process_response(response)
end
def sync_templates
# ensuring that channels with wrong provider config wouldn't keep trying to sync templates
whatsapp_channel.mark_message_templates_updated
templates = fetch_whatsapp_templates("#{business_account_path}/message_templates?access_token=#{whatsapp_channel.provider_config['api_key']}")
whatsapp_channel.update(message_templates: templates, message_templates_last_updated: Time.now.utc) if templates.present?
end
def fetch_whatsapp_templates(url)
response = HTTParty.get(url)
return [] unless response.success?
next_url = next_url(response)
return response['data'] + fetch_whatsapp_templates(next_url) if next_url.present?
response['data']
end
def next_url(response)
response['paging'] ? response['paging']['next'] : ''
end
def validate_provider_config?
response = HTTParty.get("#{business_account_path}/message_templates?access_token=#{whatsapp_channel.provider_config['api_key']}")
response.success?
end
def api_headers
{ 'Authorization' => "Bearer #{whatsapp_channel.provider_config['api_key']}", 'Content-Type' => 'application/json' }
end
def media_url(media_id)
"#{api_base_path}/v13.0/#{media_id}"
end
def api_base_path
ENV.fetch('WHATSAPP_CLOUD_BASE_URL', 'https://graph.facebook.com')
end
# TODO: See if we can unify the API versions and for both paths and make it consistent with out facebook app API versions
def phone_id_path
"#{api_base_path}/v13.0/#{whatsapp_channel.provider_config['phone_number_id']}"
end
def business_account_path
"#{api_base_path}/v14.0/#{whatsapp_channel.provider_config['business_account_id']}"
end
def send_text_message(phone_number, message)
response = HTTParty.post(
"#{phone_id_path}/messages",
headers: api_headers,
body: {
messaging_product: 'whatsapp',
context: whatsapp_reply_context(message),
to: phone_number,
text: { body: message.content },
type: 'text'
}.to_json
)
process_response(response)
end
def send_attachment_message(phone_number, message)
attachment = message.attachments.first
type = %w[image audio video].include?(attachment.file_type) ? attachment.file_type : 'document'
type_content = {
'link': attachment.download_url
}
type_content['caption'] = message.content unless %w[audio sticker].include?(type)
type_content['filename'] = attachment.file.filename if type == 'document'
response = HTTParty.post(
"#{phone_id_path}/messages",
headers: api_headers,
body: {
:messaging_product => 'whatsapp',
:context => whatsapp_reply_context(message),
'to' => phone_number,
'type' => type,
type.to_s => type_content
}.to_json
)
process_response(response)
end
def process_response(response)
if response.success?
response['messages'].first['id']
else
Rails.logger.error response.body
nil
end
end
def template_body_parameters(template_info)
{
name: template_info[:name],
language: {
policy: 'deterministic',
code: template_info[:lang_code]
},
components: [{
type: 'body',
parameters: template_info[:parameters]
}]
}
end
def whatsapp_reply_context(message)
reply_to = message.content_attributes[:in_reply_to_external_id]
return nil if reply_to.blank?
{
message_id: reply_to
}
end
def send_interactive_text_message(phone_number, message)
payload = create_payload_based_on_items(message)
response = HTTParty.post(
"#{phone_id_path}/messages",
headers: api_headers,
body: {
messaging_product: 'whatsapp',
to: phone_number,
interactive: payload,
type: 'interactive'
}.to_json
)
process_response(response)
end
end