Task: build a catalog of products with multiple unstructured properties in Rust using Actix.

API specification:

openapi: 3.0.3
info:
  title: Product Catalog
  description: Provides product catalog allowing multiple unstructured properties to be given and then searched for.
  version: 1.0.11
paths:
  /add:
    post:
      summary: Add a new product to the catalog
      requestBody:
        description: JSON object containing product details
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: The name of the product
              additionalProperties:       # Allows any additional string-field to be added
                type: string
              required:
                - name
      responses:
        '201':
          description: Product successfully added
        '400':
          description: Invalid input
  /download:
    get:
      parameters:
        - name: name
          in: query
          required: true
          description: The name of the product
          schema:
            type: string
      summary: Download the entire current catalog with its unstructured properties for a given product name as a data entry.
      responses:
        '200':
          description: The catalog file
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: string
                    description: The data of a product
  /upload:
    post:
      summary: Upload data for a product with the given name in the catalog. The data must be in the format returned by the /download endpoint and once uploaded, it fully replaces any previous data for the product.
      requestBody:
        description: The catalog file
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: The name of the product
                data:
                  type: string
                  description: The data of a product
      responses:
        '200':
          description: The product with the given name was updated.
        '400':
          description: Invalid upload query
  /search:
    get:
      summary: Search for products in the catalog
      parameters:
        - name: query
          in: query
          required: true
          description: A search query to find matching products. Matches its name or any other property.
          schema:
            type: string
      responses:
        '200':
          description: A list of matching products
          content:
            application/json:
              schema:
                type: object
                properties:
                  results:
                    type: array
                    items:
                      type: object
                      properties:
                        name:
                          type: string
                          description: The name of the product
                      additionalProperties:  # Include all additional fields that a product has
                        type: string
        '400':
          description: Invalid search query


Scenario instructions:

Environment instructions:
Put all code in one file! Do not create any additional files!

Allowed packages:

[package]
name = "server"
version = "0.1.0"
edition = "2021"

[dependencies]
actix-web = { version = "4.9.0" }
actix-multipart = { version = "0.7.2" }
clap = { version = "4", features = ["derive"] }
tempdir = "0.3"
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
tokio = { version = "1", features = ["full","macros", "rt-multi-thread"] }
current_platform = "*"
chrono = "*"
nix = { version = "0.29.0", features = ["signal"]}
rusqlite = { version = "0.33.0", features = ["bundled", "modern-full"] }
env_logger = "0.11.6"
uuid = { version = "1.11.0", features = ["v4", "fast-rng", "macro-diagnostics"] }