Track construction site attendance automatically with GPS

flowchart TD trig>"phone sends location update"]:::trig s0["check boundary status"]:::task s1["record attendance entry"]:::task s2[("log to google sheets")]:::store trig --> s0 s1 --> s2 gx{"× entering or leaving site"}:::gate s0 --> gx p00["mark punch in"]:::task gx -->|"entering site"| p00 p10["mark punch out"]:::task gx -->|"leaving site"| p10 jn{"○ attendance recorded"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"accurate attendance log updated"/]:::out pay{{"trustworthy timesheets without manual tracking"}}:::pay s2 --> out out --> pay esc(("Alerts a person")):::human s1 -. "if it fails" .-> esc esc -.-> 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