#49 Store metadata into local database.

[Dead_Angel]

Store metadata edition into local database.
Process to retrieve metadata :

• Look into remote database
  • If ok, look into local database
    • If ok, merge data into local database, update remote if needed and return it
    • If not, look into card IPTC
      • If ok, merge, store into local database, update remote if needed and return data
      • If not, store into local database and return data
  • If not, look into local database
    • If ok, update remote if neededand return it.
    • If not, look into IPTC
      • If ok, update local and remote database if needed and return data.
      • If not, return empty metadata.

Process to edit metadata :

• Retrieve metadata
• Edit them
  • Store result into local database.
  • If needed, update remote database.

Process of card creation :

• Create card
• Edit metadata from scratch
  • Store metadata into IPTC
  • Save the file
  • Store metadata into local database
  • Upload image and metadata to remote database if needed.