Compare prices on Amazon and Jumia via a Telegram chat bot

flowchart TD trig>"user sends product name"]:::trig s0["dispatch product search"]:::task s1["extract real price and name"]:::task s2["reply with best price"]:::svc trig --> s0 s1 --> s2 gx{"+ which sites to search"}:::gate s0 --> gx p00["pull Amazon listings"]:::task gx -->|"search Amazon"| p00 p10["pull Jumia listings"]:::task gx -->|"search Jumia"| p10 jn{"+ combine listings"}:::gate p00 --> jn p10 --> jn jn --> s1 out[/"best price delivered via chat"/]:::out pay{{"saves time comparing prices"}}:::pay s2 --> 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