Automatically download, file, and log PDF reports from URLs

flowchart TD trig[\"list of PDF links provided"\]:::trigdata s0[["check URL is valid"]]:::mi s1["download PDF file"]:::task s2["upload file to Drive"]:::task s3[("log status in sheet")]:::store trig --> s0 s1 --> s2 s2 --> s3 gx{"× is the PDF valid"}:::gate s0 --> gx p00["download and upload file"]:::task gx -->|"valid file"| p00 p10["log as error"]:::task gx -->|"invalid link"| p10 jn{"○ merge into log"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"organized files with log"/]:::out pay{{"faster reliable document collection"}}:::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