Phase 4 + 6

inventory-server/dashboard/services/meta/meta.service.js

@@ -0,0 +1,104 @@
+// Meta (Facebook Ads) service — ESM conversion of meta-server/services/meta.service.js.
+// No Redis caching (matches the original — Meta calls are cheap-enough; reach/spend
+// rolls over once per request). Uses axios.
+
+import axios from 'axios';
+
+function getConfig() {
+  const version = process.env.META_API_VERSION || 'v21.0';
+  return {
+    baseUrl: `https://graph.facebook.com/${version}`,
+    accessToken: process.env.META_ACCESS_TOKEN,
+    adAccountId: process.env.META_AD_ACCOUNT_ID,
+  };
+}
+
+async function metaApiRequest(endpoint, params = {}) {
+  const { baseUrl, accessToken } = getConfig();
+  try {
+    const response = await axios.get(`${baseUrl}/${endpoint}`, {
+      params: {
+        access_token: accessToken,
+        time_zone: 'America/New_York',
+        ...params,
+      },
+    });
+    return response.data;
+  } catch (error) {
+    console.error('Meta API Error:', {
+      message: error.message,
+      response: error.response?.data,
+      endpoint,
+    });
+    throw error;
+  }
+}
+
+export async function fetchCampaigns(since, until) {
+  const { adAccountId } = getConfig();
+  const campaigns = await metaApiRequest(`act_${adAccountId}/campaigns`, {
+    fields: [
+      'id',
+      'name',
+      'status',
+      'objective',
+      'daily_budget',
+      'lifetime_budget',
+      'adsets{daily_budget,lifetime_budget}',
+      `insights.time_range({'since':'${since}','until':'${until}'}).level(campaign){
+        spend,
+        impressions,
+        clicks,
+        ctr,
+        reach,
+        frequency,
+        cpm,
+        cpc,
+        actions,
+        action_values,
+        cost_per_action_type
+      }`,
+    ].join(','),
+    limit: 100,
+  });
+
+  return campaigns.data.filter((c) => c.insights?.data?.[0]?.spend > 0);
+}
+
+export async function fetchAccountInsights(since, until) {
+  const { adAccountId } = getConfig();
+  const accountInsights = await metaApiRequest(`act_${adAccountId}/insights`, {
+    fields: 'reach,spend,impressions,clicks,ctr,cpm,actions,action_values',
+    time_range: JSON.stringify({ since, until }),
+  });
+  return accountInsights.data[0] || null;
+}
+
+export async function updateCampaignBudget(campaignId, budget) {
+  const { baseUrl, accessToken } = getConfig();
+  try {
+    const response = await axios.post(`${baseUrl}/${campaignId}`, {
+      access_token: accessToken,
+      daily_budget: budget * 100, // dollars → cents
+    });
+    return response.data;
+  } catch (error) {
+    console.error('Update campaign budget error:', error);
+    throw error;
+  }
+}
+
+export async function updateCampaignStatus(campaignId, action) {
+  const { baseUrl, accessToken } = getConfig();
+  try {
+    const status = action === 'pause' ? 'PAUSED' : 'ACTIVE';
+    const response = await axios.post(`${baseUrl}/${campaignId}`, {
+      access_token: accessToken,
+      status,
+    });
+    return response.data;
+  } catch (error) {
+    console.error('Update campaign status error:', error);
+    throw error;
+  }
+}