# category

This document is auto-generated from the JSDoc comments in `src/store` by running `npm run api-doc`.

## `category.addImage`

*Source: `src/store/category/addImage.js`*

Adds an image to a category, processing full, thumb, and 32px-edge small-thumb AVIF variants.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `googleAuthId` | `number` | The id of the Google auth user. |
| `categoryId` | `number` | The id of the category. |
| `image` | `Buffer` | The source image buffer. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, fullHash: string, thumbW: number, thumbH: number, thumbHash: string, smallThumbW: number, smallThumbH: number}>` — The added image info.

**Example**

```js
const result = await store.category.addImage(42, 5, imageBuffer);
// => { id, fullHash, thumbW, thumbH, thumbHash }
```

## `category.createUnderParent`

*Source: `src/store/category/createUnderParent.js`*

Creates a new category under a given parent category.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The category creation input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.parentId` | `number` | The id of the parent category. |
| `input.name` | `string` | The category name. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, parentId: number, sort: number, name: string, slug: string}>` — The created category.

**Example**

```js
const category = await store.category.createUnderParent({ googleAuthId: 42, parentId: 5, name: 'Drinks' });
// => { id, parentId, sort, name, slug }
```

## `category.delete`

*Source: `src/store/category/delete.js`*

Deletes a category, refusing to delete the company's root category. If recursive is true, recursively deletes the subtree and articles that only belong to it.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The delete input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.id` | `number` | The id of the category to delete. |
| `[input.recursive=false]` | `boolean` | Whether to delete the category subtree recursively. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<void>`

**Throws**

`Error` — If the category is the root category or contains articles/subcategories (when recursive is false).

**Example**

```js
await store.category.delete({ googleAuthId: 42, id: 5 });
await store.category.delete({ googleAuthId: 42, id: 5, recursive: true });
```

## `category.deleteImage`

*Source: `src/store/category/deleteImage.js`*

Deletes the image of a category.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `googleAuthId` | `number` | The id of the Google auth user. |
| `categoryId` | `number` | The id of the category. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, thumbW: null, thumbH: null, thumbHash: null}>` — The cleared image info.

**Throws**

`Error` — If the image is not found.

**Example**

```js
const result = await store.category.deleteImage(42, 5);
// => { id: 5, thumbW: null, thumbH: null, thumbHash: null }
```

## `category.ensureByPath`

*Source: `src/store/category/ensureByPath.js`*

Resolves a category by breadcrumb path under a given parent, creating any missing categories along the way. Returns the leaf category id.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The category resolution input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.parentId` | `number` | The id of the parent category to start from. |
| `input.path` | `string` | The breadcrumb path, e.g. `'Haupt | Flowers | CBN'`. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<number>` — The id of the leaf category.

**Example**

```js
const id = await store.category.ensureByPath({ googleAuthId: 42, parentId: 5, path: 'Haupt | Flowers | CBN' });
// => 12
```

## `category.generateImage`

*Source: `src/store/category/generateImage.js`*

Generates a mosaic image directly from the category's and its subcategories' articles (grouped by subcategory) and sets it as the new main picture for the category.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `googleAuthId` | `number` | The id of the Google auth user. |
| `inputOrCategoryId` | `number|object` | The id of the category or an options object. |
| `[maybeOptsOrSize={}]` | `object|number` | Options object or numeric size. |
| `[maybeOptsOrSize.size]` | `number` | Grid size (2 for 2x2, 3 for 3x3, 4 for 4x4). Defaults to 3 (falls back to 2 if < 7 images). |
| `[maybeTx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, fullHash: string, thumbW: number, thumbH: number, thumbHash: string, smallThumbW: number, smallThumbH: number, size: number, grid: string, articleCount: number}>` — The new main image info.

**Throws**

`Error` — If the category is not found, not authorized, size is invalid, or no images are found.

**Example**

```js
const result = await store.category.generateImage(42, 5, { size: 3 });
// => { id: 5, fullHash, thumbW, thumbH, thumbHash, smallThumbW, smallThumbH, size: 3, grid: '3x3', articleCount: 12 }
```

## `category.getCategoryArticles`

*Source: `src/store/category/getCategoryArticles.js`*

Returns the articles belonging to a single category.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `googleAuthId` | `number` | The id of the Google auth user. |
| `categoryId` | `number` | The id of the category. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<Array<{id: number, sku: string, name: string, slug: string, net: number|null, taxRate: number|null, optionsCount: number, articleListCount: number, childCount: number, parentArticleId: number|null, parentSku: string|null, fullHash: string|null, thumbW: number|null, thumbH: number|null, thumbHash: string|null, smallThumbW: number|null, smallThumbH: number|null, smallThumbBinary: string|null, brand: {id: number|null, name: string, fullHash: string|null, thumbW: number|null, thumbH: number|null, thumbHash: string|null}|null, articlewarehousesummary: Array<{id: number, articleId: number, warehouseId: number, warehouseName: string, stock: number}>, warehouses: Array<{id: number, name: string, stock: number}>}>>` — The articles in the category.

**Example**

```js
const articles = await store.category.getCategoryArticles(42, 5);
// => [{ id, sku, name, brand, ... }]
```

## `category.getTreeForCompany`

*Source: `src/store/category/getTreeForCompany.js`*

Returns the full category tree for the user's selected company together with the article count and the posterminal ids assigned to each category.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `googleAuthId` | `number` | The id of the Google auth user. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{languageId: number, tree: Array<{id: number, parentId: number|null, sort: number, name: string|null, slug: string|null, fullHash: string|null, thumbW: number|null, thumbH: number|null, thumbHash: string|null, articleCount: number, posterminalIds: number[]}>, articleCount: number}>` — The category tree and article count.

**Example**

```js
const tree = await store.category.getTreeForCompany(42);
// => { languageId, tree: [{ id, articleCount, posterminalIds, ... }], articleCount: 25 }
```

## `category.move`

*Source: `src/store/category/move.js`*

Moves a category to a new parent, preventing cycles and cross-company moves.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The move input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.id` | `number` | The id of the category to move. |
| `input.parentId` | `number` | The id of the new parent category. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, parentId: number, sort: number}>` — The moved category.

**Throws**

`Error` — If the move would create a cycle or cross companies.

**Example**

```js
const result = await store.category.move({ googleAuthId: 42, id: 5, parentId: 9 });
// => { id, parentId, sort }
```

## `category.order`

*Source: `src/store/category/order.js`*

Reorders the child categories of a given parent.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The reorder input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.parentId` | `number` | The id of the parent category. |
| `input.categoryIds` | `Array<number>` | The child category ids in their new order. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{categoryIds: Array<number>}>` — The applied order.

**Throws**

`Error` — If the order is invalid.

**Example**

```js
const result = await store.category.order({ googleAuthId: 42, parentId: 5, categoryIds: [3, 1, 2] });
// => { categoryIds: [3, 1, 2] }
```

## `category.rename`

*Source: `src/store/category/rename.js`*

Renames a category and updates its slug.

**Parameters**

| Name | Type | Description |
| --- | --- | --- |
| `input` | `object` | The rename input. |
| `input.googleAuthId` | `number` | The id of the Google auth user. |
| `input.id` | `number` | The id of the category to rename. |
| `input.name` | `string` | The new category name. |
| `[tx]` | `object` | Optional transaction to run within. |

**Returns**

`Promise<{id: number, name: string, slug: string}>` — The renamed category.

**Throws**

`Error` — If the name is empty or the category is not found.

**Example**

```js
const result = await store.category.rename({ googleAuthId: 42, id: 5, name: 'Soft Drinks' });
// => { id, name, slug }
```