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feat: PUT full replace and PATCH partial update for books
- PUT requires both title and author; PATCH updates only provided fields - Add PatchFields persistence, service PatchBook, handler and route - Tests: unit, auth routes, GORM; E2E patch title-only; isolated SQLite in PATCH test - Regenerate Swagger; document endpoints in README Closes #118 Co-authored-by: Cursor <cursoragent@cursor.com>
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‎README.md‎

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@@ -184,7 +184,8 @@ http://localhost:8001/swagger/index.html
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- `GET /api/v1/books`: Get all books.
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- `GET /api/v1/books/:id`: Get a single book by ID.
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- `POST /api/v1/books`: Create a new book.
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- `PUT /api/v1/books/:id`: Update a book.
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- `PUT /api/v1/books/:id`: Replace a book's title and author (both fields required in the JSON body).
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- `PATCH /api/v1/books/:id`: Partially update a book (send only the fields to change; at least one of `title` or `author` is required).
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- `DELETE /api/v1/books/:id`: Delete a book.
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- `POST /api/v1/login`: Login.
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- `POST /api/v1/register`: Register a new user.
@@ -194,7 +195,7 @@ http://localhost:8001/swagger/index.html
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Under **`/api/v1`**, every route **except** `GET /api/v1/` (health) requires the **`X-API-Key`** header matching **`API_SECRET_KEY`** (service-to-service gate).
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Book **mutations** (`POST`, `PUT`, and `DELETE` on `/api/v1/books` and `/api/v1/books/:id`) also require a valid user JWT in `Authorization: Bearer <token>` (obtain via `/api/v1/register` and `/api/v1/login`). Book **reads** (`GET` list and `GET` by id) require the API key only.
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Book **mutations** (`POST`, `PUT`, `PATCH`, and `DELETE` on `/api/v1/books` and `/api/v1/books/:id`) also require a valid user JWT in `Authorization: Bearer <token>` (obtain via `/api/v1/register` and `/api/v1/login`). Book **reads** (`GET` list and `GET` by id) require the API key only.
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```bash
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curl -H "X-API-Key: <YOUR_API_KEY>" http://localhost:8001/api/v1/books
@@ -272,7 +273,7 @@ The tests will perform the following actions:
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2. Create a new book in the system.
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3. Retrieve all books and verify the created book is present.
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4. Retrieve a specific book by its ID.
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5. Update the book's details.
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5. Replace the book's title and author via `PUT`, and patch the title only via `PATCH`.
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6. Delete the book and verify it is no longer accessible.
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Each test includes assertions to ensure that the API behaves as expected.

‎docs/docs.go‎

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@@ -209,7 +209,7 @@ const docTemplate = `{
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"JwtAuth": []
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}
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],
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"description": "Update the book details for the given ID",
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"description": "Replaces both title and author. Use PATCH for partial updates.",
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"consumes": [
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"application/json"
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],
@@ -219,7 +219,7 @@ const docTemplate = `{
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"tags": [
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"books"
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],
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"summary": "Update a book by ID",
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"summary": "Replace a book by ID (PUT)",
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"parameters": [
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{
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"type": "string",
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"required": true
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},
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{
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"description": "Update book object",
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"description": "Full book fields",
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"name": "input",
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"in": "body",
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"required": true,
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"schema": {
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"$ref": "#/definitions/models.UpdateBook"
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"$ref": "#/definitions/models.ReplaceBook"
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}
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}
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],
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}
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}
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}
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},
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"patch": {
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"security": [
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{
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"ApiKeyAuth": []
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},
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{
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"JwtAuth": []
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}
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],
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"description": "Updates only fields present in the JSON body (at least one of title or author).",
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"consumes": [
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"application/json"
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],
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"produces": [
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"application/json"
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],
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"tags": [
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"books"
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],
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"summary": "Partially update a book by ID (PATCH)",
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"parameters": [
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{
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"type": "string",
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"description": "Book ID",
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"name": "id",
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"in": "path",
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"required": true
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},
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{
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"description": "Fields to change",
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"name": "input",
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"in": "body",
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"required": true,
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"schema": {
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"$ref": "#/definitions/models.PatchBook"
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}
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}
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],
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"responses": {
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"200": {
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"description": "Successfully updated book",
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"schema": {
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"$ref": "#/definitions/models.Book"
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}
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},
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"400": {
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"description": "Bad Request",
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"schema": {
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"type": "string"
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}
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},
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"401": {
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"description": "Unauthorized",
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"schema": {
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"type": "string"
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}
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},
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"403": {
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"description": "Forbidden",
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"schema": {
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"type": "string"
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}
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},
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"404": {
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"description": "book not found",
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"schema": {
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"type": "string"
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}
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},
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"500": {
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"description": "Internal Server Error",
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"schema": {
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"type": "string"
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}
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}
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}
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}
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},
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"/login": {
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}
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}
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},
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"models.UpdateBook": {
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"models.PatchBook": {
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"type": "object",
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"properties": {
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"author": {
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"type": "string"
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}
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}
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},
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"models.ReplaceBook": {
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"type": "object",
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"required": [
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"author",
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"title"
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],
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"properties": {
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"author": {
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"type": "string"
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},
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"title": {
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"type": "string"
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}
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}
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}
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},
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"securityDefinitions": {

‎docs/swagger.json‎

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@@ -203,7 +203,7 @@
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"JwtAuth": []
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}
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],
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"description": "Update the book details for the given ID",
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"description": "Replaces both title and author. Use PATCH for partial updates.",
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"consumes": [
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"application/json"
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],
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"tags": [
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"books"
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],
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"summary": "Update a book by ID",
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"summary": "Replace a book by ID (PUT)",
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"parameters": [
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{
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"type": "string",
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"required": true
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},
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{
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"description": "Update book object",
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"description": "Full book fields",
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"name": "input",
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"in": "body",
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"required": true,
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"schema": {
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"$ref": "#/definitions/models.UpdateBook"
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"$ref": "#/definitions/models.ReplaceBook"
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}
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}
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],
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}
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}
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}
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},
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"patch": {
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"security": [
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{
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"ApiKeyAuth": []
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},
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{
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"JwtAuth": []
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}
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],
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"description": "Updates only fields present in the JSON body (at least one of title or author).",
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"consumes": [
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"application/json"
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],
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"produces": [
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"application/json"
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],
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"tags": [
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"books"
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],
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"summary": "Partially update a book by ID (PATCH)",
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"parameters": [
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{
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"type": "string",
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"description": "Book ID",
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"name": "id",
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"in": "path",
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"required": true
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},
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{
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"description": "Fields to change",
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"name": "input",
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"in": "body",
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"required": true,
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"schema": {
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"$ref": "#/definitions/models.PatchBook"
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}
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}
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],
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"responses": {
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"200": {
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"description": "Successfully updated book",
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"schema": {
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"$ref": "#/definitions/models.Book"
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}
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},
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"400": {
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"description": "Bad Request",
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"schema": {
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"type": "string"
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}
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},
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"401": {
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"description": "Unauthorized",
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"schema": {
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"type": "string"
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}
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},
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"403": {
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"description": "Forbidden",
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"schema": {
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"type": "string"
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}
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},
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"404": {
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"description": "book not found",
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"schema": {
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"type": "string"
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}
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},
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"500": {
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"description": "Internal Server Error",
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"schema": {
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"type": "string"
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}
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}
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}
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}
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},
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"/login": {
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}
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}
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},
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"models.UpdateBook": {
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"models.PatchBook": {
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"type": "object",
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"properties": {
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"author": {
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"type": "string"
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}
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}
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},
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"models.ReplaceBook": {
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"type": "object",
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"required": [
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"author",
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"title"
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],
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"properties": {
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"author": {
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"type": "string"
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},
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"title": {
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"type": "string"
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}
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}
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}
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},
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"securityDefinitions": {

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