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gatsby-node.js
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gatsby-node.js
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const cloudinary = require('cloudinary');
const slugify = require('slugify')
require("dotenv").config({
path: `.env.${process.env.NODE_ENV}`,
})
cloudinary.config({
cloud_name: `${process.env.CLOUDINARY_NAME}`,
api_key: `${process.env.CLOUDINARY_API_KEY}`,
api_secret: `${process.env.CLOUDINARY_API_SECRET}`
});
const cloudName = `${process.env.CLOUDINARY_NAME}`
const getImageOrientation = (width, height) => {
if (height === width) {
return 'square';
} else if (height > width) {
return 'portrait';
} else {
return 'landscape';
}
};
const getFolderName = (public_id) => {
return public_id.substr(0, public_id.indexOf('/'));
}
const createImageNodeData = (image, folder, createNodeId, createContentDigest) => {
const nodeId = createNodeId(`cloudinary-image-${image.public_id}`);
const orientation = getImageOrientation(image.width, image.height);
const thumb = `https://res.cloudinary.com/${cloudName}/image/upload/h_600/v${image.version}/${image.public_id}.${image.format}`;
const imgUrl = orientation === 'portrait' ? `https://res.cloudinary.com/${cloudName}/image/upload/h_1200/v${image.version}/${image.public_id}.${image.format}` : `https://res.cloudinary.com/${cloudName}/image/upload/w_1200/v${image.version}/${image.public_id}.${image.format}`;
const imageData = Object.assign({
folder,
imgUrl,
thumb,
orientation
}, image);
const nodeContent = JSON.stringify(imageData);
const nodeData = Object.assign({}, imageData, {
id: nodeId,
parent: null,
children: [],
internal: {
type: `CloudinaryImage`,
content: nodeContent,
contentDigest: createContentDigest(imageData)
}
});
return nodeData;
};
const getCoverImages = async () => {
const coverParams = {
resource_type: `image`,
max_results: 500
}
const coverResponse = cloudinary.v2.api.resources_by_tag("cover", coverParams, (error, result) => result);
return coverResponse;
}
const getFolders = (covers) => {
return covers.resources.map(resource => {
return {
created_at: resource.created_at,
name: getFolderName(resource.public_id)
}
})
}
const getImagesForFolder = async (folderName) => {
const queryParams = {
tags: true,
type: 'upload',
max_results: `24`,
resource_type: 'image',
prefix: folderName
};
return cloudinary.v2.api.resources(queryParams, (error, result) => result);
}
exports.sourceNodes = async ({
actions,
createNodeId,
createContentDigest
}) => {
const {
createNode
} = actions;
const covers = await getCoverImages()
const folders = getFolders(covers)
for (const folder of folders) {
const folderMediaItems = await getImagesForFolder(folder.name)
const nodeDatas = folderMediaItems.resources.map(mediaItem => {
return createImageNodeData(mediaItem, folder.name, createNodeId, createContentDigest)
})
nodeDatas.forEach(data => createNode(data))
const childNodes = nodeDatas.map(data => data.id)
const folderData = {
name: folder.name
}
const folderNodeData = {
id: createNodeId(`cloudinary-folder-${folder.name}`),
parent: null,
children: childNodes,
name: folder.name,
slug: slugify(folder.name),
internal: {
type: `CloudinaryFolder`,
contentDigest: createContentDigest(folderData)
}
}
createNode(folderNodeData)
}
};
exports.createPages = async function({ actions, graphql }) {
const { data } = await graphql(`
query {
allCloudinaryFolder {
edges {
node {
slug
}
}
}
}
`)
data.allCloudinaryFolder.edges.forEach(edge => {
const slug = edge.node.slug
actions.createPage({
path: slug,
component: require.resolve(`./src/templates/photoGallery.js`),
context: { slug: slug },
})
})
}