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import type { Dal } from "../dal";
import { generateId } from "../lib/utils";
import { NotFoundError, ForbiddenError, ValidationError } from "../lib/errors";
export interface UploadBlogImageInput {
file: File;
altText?: string | null;
caption?: string;
}
export interface AddPexelsImageInput {
pexelsId: string;
url: string;
width: number;
height: number;
altText?: string | null;
photographer?: string;
photographerUrl?: string;
}
export interface AddProjectImageInput {
projectPhotoId: number;
altText?: string | null;
caption?: string;
}
export interface PexelsPhoto {
id: number;
width: number;
height: number;
url: string;
photographer: string;
photographer_url: string;
src: {
original: string;
large: string;
medium: string;
small: string;
};
}
export interface PexelsSearchResult {
photos: PexelsPhoto[];
total_results: number;
page: number;
per_page: number;
}
export class BlogImagesService {
constructor(
private dal: Dal,
private env: CloudflareBindings,
) {}
/**
* Verify that a pro has access to a blog
*/
async verifyBlogAccess(blogId: string, proId: string): Promise<void> {
const blog = await this.dal.blogs.findById(blogId);
if (!blog) {
throw new NotFoundError("Blog not found");
}
// Check if pro created blog OR is featured in blog
const isCreator = blog.ideaSourceProId === proId;
const blogPros = await this.dal.blogPros.findAll({
blogId,
proId,
});
const isFeatured = blogPros.length > 0;
if (!isCreator && !isFeatured) {
throw new ForbiddenError("You don't have access to this blog");
}
}
/**
* Upload a blog image to R2
*/
async uploadBlogImage(
blogId: string,
proId: string,
input: UploadBlogImageInput,
) {
const { file, altText, caption } = input;
// Upload to R2
const ext = file.name.split(".").pop() || "jpg";
const storageKey = `${proId}/blogs/${blogId}/${generateId()}.${ext}`;
await this.env.R2.put(storageKey, await file.arrayBuffer(), {
httpMetadata: { contentType: file.type },
});
// Get next sort order
const sortOrder = await this.dal.blogImages.getNextSortOrder(blogId);
// Create DB record
return this.dal.blogImages.create({
blogId,
sourceType: "upload",
storageKey,
altText: altText || "",
caption,
fileSize: file.size,
sortOrder,
});
}
/**
* Add a Pexels stock image to gallery
*/
async addPexelsImage(blogId: string, input: AddPexelsImageInput) {
const { pexelsId, url, width, height, altText } = input;
// Get next sort order
const sortOrder = await this.dal.blogImages.getNextSortOrder(blogId);
return this.dal.blogImages.create({
blogId,
sourceType: "pexels",
sourceId: pexelsId,
storageKey: url, // Store Pexels URL directly
altText: altText || "",
width,
height,
sortOrder,
});
}
/**
* Copy a project photo to blog gallery (legacy — project_photos removed)
*/
async addProjectPhoto(
_blogId: string,
_proId: string,
_input: AddProjectImageInput,
) {
throw new ValidationError(
"Adding project photos to blogs is no longer supported via project_photos. Use media (rooms) instead.",
);
}
/**
* Search Pexels API
*/
async searchPexels(
query: string,
page = 1,
perPage = 20,
): Promise<PexelsSearchResult> {
const apiKey = this.env.PEXELS_API_KEY;
if (!apiKey) {
throw new Error("Pexels API key not configured");
}
const response = await fetch(
`https://api.pexels.com/v1/search?query=${encodeURIComponent(query)}&page=${page}&per_page=${perPage}`,
{ headers: { Authorization: apiKey } },
);
if (!response.ok) {
throw new Error(`Pexels API error: ${response.statusText}`);
}
return response.json();
}
/**
* Get all images for a blog
*/
async getBlogImages(blogId: string) {
return this.dal.blogImages.findByBlogId(blogId);
}
/**
* Delete an image
*/
async deleteImage(imageId: number, proId: string) {
const image = await this.dal.blogImages.findById(imageId);
if (!image) {
throw new NotFoundError("Image not found");
}
// Verify pro has access to the blog
await this.verifyBlogAccess(image.blogId, proId);
// Delete from DB (R2 cleanup can be done separately)
await this.dal.blogImages.delete(imageId);
}
/**
* Update image metadata
*/
async updateImage(
imageId: number,
proId: string,
data: { altText?: string; caption?: string },
) {
const image = await this.dal.blogImages.findById(imageId);
if (!image) {
throw new NotFoundError("Image not found");
}
// Verify pro has access to the blog
await this.verifyBlogAccess(image.blogId, proId);
return this.dal.blogImages.update(imageId, data);
}
}
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