Automatically publish new WordPress posts to Pinterest

flowchart TD trig>"new wordpress post published"]:::trig s0["check for duplicate pins"]:::task s1["validate image and title"]:::task s2["build pin content"]:::task s3["publish pin to pinterest"]:::svc trig --> s0 s1 --> s2 s2 --> s3 gx{"× pin already exists"}:::gate s0 --> gx p00["skip post"]:::task gx -->|"duplicate found"| p00 p10["validate and build pin"]:::task gx -->|"unique post"| p10 p11["publish pin"]:::task p10 --> p11 p00 --> s1 p11 --> s1 out[/"new pin published without duplicates"/]:::out pay{{"extend blog reach to pinterest"}}:::pay s3 --> out out --> pay 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