Track your spending by texting a WhatsApp finance assistant

flowchart TD trig>"message sent to whatsapp"]:::trig s0["transcribe message"]:::task s1["decide log or lookup"]:::task s2[("read or write database")]:::store s3["reply with total or chart"]:::task trig --> s0 s0 --> s1 s2 --> s3 gx{"× log expense or look up spending"}:::gate s1 --> gx p00["write new expense record"]:::task gx -->|"log expense"| p00 p10["read spending records"]:::task gx -->|"look up spending"| p10 jn{"○ reply sent"}:::gate p00 --> jn p10 --> jn jn --> s2 out[/"expense logged or summary given"/]:::out pay{{"effortless expense tracking via chat"}}:::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