FLOW.md

Application Flow

0. Splash Screen

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Client

• finds geo location & accuracy of device with Core Location
• sends GET request with device id & geo location

Server

• Updates user's location
• Responds with JSON array including for each group:
  • 20 nearest users and users who've sent new messages

1. Launcher View

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Client

• Creates group, user, and message objects from the JSON response
• Sums up new-messages and displays a count for each group

2. Thumbnail View

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Client

• For each user in current group:
  • displays thumbnails of users returned for the current group
    • if thumbnail hash doesn't exist locally:
      • requests new thumbnails from server
      • else, loads from Core Data
  • displays name, message-count, active_chat?, favorite?, online?

Server

• Returns thumbnails requested by client

3. Photo View

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Client

• Displays current user data
• Requests user photo from server if photo hash doesn't match

Server

• Returns photos requested by client