126 lines
3.5 KiB
Ruby
126 lines
3.5 KiB
Ruby
class Whatsapp::FacebookApiClient
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BASE_URI = 'https://graph.facebook.com'.freeze
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def initialize(access_token = nil)
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@access_token = access_token
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@api_version = GlobalConfigService.load('WHATSAPP_API_VERSION', 'v22.0')
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end
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def exchange_code_for_token(code)
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response = HTTParty.get(
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"#{BASE_URI}/#{@api_version}/oauth/access_token",
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query: {
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client_id: GlobalConfigService.load('WHATSAPP_APP_ID', ''),
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client_secret: GlobalConfigService.load('WHATSAPP_APP_SECRET', ''),
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code: code
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}
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)
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handle_response(response, 'Token exchange failed')
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end
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def fetch_phone_numbers(waba_id)
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response = HTTParty.get(
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"#{BASE_URI}/#{@api_version}/#{waba_id}/phone_numbers",
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query: { access_token: @access_token }
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)
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handle_response(response, 'WABA phone numbers fetch failed')
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end
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def debug_token(input_token)
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response = HTTParty.get(
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"#{BASE_URI}/#{@api_version}/debug_token",
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query: {
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input_token: input_token,
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access_token: build_app_access_token
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}
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)
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handle_response(response, 'Token validation failed')
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end
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def register_phone_number(phone_number_id, pin)
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response = HTTParty.post(
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"#{BASE_URI}/#{@api_version}/#{phone_number_id}/register",
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headers: request_headers,
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body: { messaging_product: 'whatsapp', pin: pin.to_s }.to_json
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)
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handle_response(response, 'Phone registration failed')
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end
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def phone_number_verified?(phone_number_id)
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response = HTTParty.get(
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"#{BASE_URI}/#{@api_version}/#{phone_number_id}",
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headers: request_headers
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)
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data = handle_response(response, 'Phone status check failed')
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data['code_verification_status'] == 'VERIFIED'
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end
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def subscribe_waba_webhook(waba_id, callback_url, verify_token)
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# Step 1: Subscribe app to WABA first (required before override)
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# Meta requires the app to be subscribed before using override_callback_uri
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# See: https://github.com/chatwoot/chatwoot/issues/13097
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subscribe_app_to_waba(waba_id)
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# Step 2: Override callback URL for this specific WABA
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override_waba_callback(waba_id, callback_url, verify_token)
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end
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def subscribe_app_to_waba(waba_id)
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response = HTTParty.post(
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"#{BASE_URI}/#{@api_version}/#{waba_id}/subscribed_apps",
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headers: request_headers
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)
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handle_response(response, 'App subscription to WABA failed')
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end
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def override_waba_callback(waba_id, callback_url, verify_token)
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response = HTTParty.post(
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"#{BASE_URI}/#{@api_version}/#{waba_id}/subscribed_apps",
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headers: request_headers,
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body: {
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override_callback_uri: callback_url,
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verify_token: verify_token,
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subscribed_fields: %w[messages smb_message_echoes]
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}.to_json
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)
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handle_response(response, 'Webhook callback override failed')
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end
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def unsubscribe_waba_webhook(waba_id)
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response = HTTParty.delete(
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"#{BASE_URI}/#{@api_version}/#{waba_id}/subscribed_apps",
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headers: request_headers
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)
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handle_response(response, 'Webhook unsubscription failed')
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end
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private
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def request_headers
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{
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'Authorization' => "Bearer #{@access_token}",
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'Content-Type' => 'application/json'
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}
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end
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def build_app_access_token
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app_id = GlobalConfigService.load('WHATSAPP_APP_ID', '')
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app_secret = GlobalConfigService.load('WHATSAPP_APP_SECRET', '')
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"#{app_id}|#{app_secret}"
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end
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def handle_response(response, error_message)
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raise "#{error_message}: #{response.body}" unless response.success?
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response.parsed_response
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end
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end
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