Notes API with Search

050_notes_api.cell

// ============================================================================
// 050 — Notes API with Search
// ============================================================================
// A notes API that supports creating, listing, and searching notes.
//
// Run:   soma run 050_notes_api.cell demo
// Expect:
//   Created 3 notes
//   All notes: 3
//   Found 'soma': Learn Soma language

cell NotesAPI {

    memory {
        notes: Map<String, String> [persistent, consistent]
        meta: Map<String, Int> [persistent, consistent]
    }

    on create(title: String, body: String) {
        let current = meta.get("next_id")
        if current == () {
            meta.set("next_id", 1)
        }
        let id = meta.get("next_id")
        meta.set("next_id", id + 1)
        let id_str = to_string(id)

        let note = map("id", id, "title", title, "body", body)
        notes.set(id_str, to_json(note))
        return note
    }

    on list_all() {
        let keys = notes.keys()
        let result = list()
        for key in keys {
            result = list(result, from_json(notes.get(key)))
        }
        return result
    }

    on search(query: String) {
        let all = list_all()
        let results = list()
        let q = lowercase(query)
        for note in all {
            let title_lower = lowercase(note.title)
            let body_lower = lowercase(note.body)
            let in_title = contains(title_lower, q)
            let in_body = contains(body_lower, q)
            if in_title == true {
                results = list(results, note)
            } else {
                if in_body == true {
                    results = list(results, note)
                }
            }
        }
        return results
    }

    on demo() {
        create("Learn Soma language", "Soma is a declarative language for building apps")
        create("Buy groceries", "Milk, eggs, bread, cheese")
        create("Project meeting", "Discuss the soma compiler roadmap")
        print("Created 3 notes")

        let all = list_all()
        let count = all.length
        print("All notes: {count}")

        let found = search("soma")
        for note in found {
            print("Found 'soma': {note.title}")
        }

        return "done"
    }
}