Publish Instagram and Facebook posts from a spreadsheet

flowchart TD trig(["checks schedule every 15 minutes"]):::trigtime s0[["Check for due posts"]]:::mi s1["Download post image"]:::svc s2["Publish to platform"]:::svc s3[("Update spreadsheet status")]:::store trig --> s0 s0 --> s1 s2 --> s3 gx{"○ which platforms to publish to"}:::gate s1 --> gx p00["Publish to Instagram"]:::task gx -->|"Instagram"| p00 p10["Publish to Facebook"]:::task gx -->|"Facebook"| p10 jn{"○ before status update"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"posts published and logged"/]:::out pay{{"content goes out on schedule unattended"}}:::pay s3 --> out out --> pay s2 -. "failures recorded, run continues" .-> out classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff