feat(web): add profile management

Co-authored-by: multica-agent <github@multica.ai>

apps/web/server/api/v1/profiles/[id].get.ts

@@ -0,0 +1,65 @@
+import { requireStageTwoUser, stageTwoApiError, stageTwoDatabase, stageTwoUuid } from '~/server/utils/stage-two-supabase'
+import { visibleProfile, type ProfileRecord } from '~/server/utils/profile'
+
+interface MembershipRow {
+  campaign_id: string
+  role: string
+  joined_at: string
+}
+
+export default defineEventHandler(async (event) => {
+  try {
+    const user = await requireStageTwoUser(event)
+    const profileId = stageTwoUuid(getRouterParam(event, 'id'), 'profile id')
+    const viewerMemberships = await stageTwoDatabase<Array<{ campaign_id: string }>>(
+      `campaign_members?select=campaign_id&user_id=eq.${user.id}&active=eq.true`,
+    )
+    const viewerCampaignIds = [...new Set(viewerMemberships.map(member => member.campaign_id))]
+
+    let sharedMemberships: MembershipRow[]
+    if (profileId === user.id) {
+      sharedMemberships = await stageTwoDatabase<MembershipRow[]>(
+        `campaign_members?select=campaign_id,role,joined_at&user_id=eq.${profileId}&active=eq.true&order=joined_at.desc`,
+      )
+    } else if (viewerCampaignIds.length) {
+      sharedMemberships = await stageTwoDatabase<MembershipRow[]>(
+        `campaign_members?select=campaign_id,role,joined_at&user_id=eq.${profileId}&active=eq.true&campaign_id=in.(${viewerCampaignIds.join(',')})&order=joined_at.desc`,
+      )
+    } else {
+      sharedMemberships = []
+    }
+    if (profileId !== user.id && !sharedMemberships.length) {
+      throw createError({ statusCode: 404, statusMessage: 'Profile not found in your campaigns.' })
+    }
+
+    const profiles = await stageTwoDatabase<ProfileRecord[]>(
+      `profiles?select=id,display_name,description,avatar_path,created_at,updated_at&id=eq.${profileId}&limit=1`,
+    )
+    if (!profiles[0]) throw createError({ statusCode: 404, statusMessage: 'Profile not found.' })
+
+    const campaignIds = sharedMemberships.map(member => member.campaign_id)
+    const campaigns = campaignIds.length
+      ? await stageTwoDatabase<Array<{ id: string; title: string; status: string }>>(
+          `campaigns?select=id,title,status&id=in.(${campaignIds.join(',')})`,
+        )
+      : []
+    const campaignById = new Map(campaigns.map(campaign => [campaign.id, campaign]))
+    const sharedCampaigns = sharedMemberships.flatMap((membership) => {
+      const campaign = campaignById.get(membership.campaign_id)
+      return campaign ? [{
+        id: campaign.id,
+        title: campaign.title,
+        status: campaign.status,
+        role: membership.role,
+        joined_at: membership.joined_at,
+      }] : []
+    })
+
+    return {
+      profile: visibleProfile(profiles[0], useRuntimeConfig().supabaseUrl),
+      sharedCampaigns,
+    }
+  } catch (error) {
+    stageTwoApiError(error)
+  }
+})