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Basic error checking

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This commit is contained in:
Cadence Fish
2020-01-27 19:03:28 +13:00
parent c2ac1b2259
commit 9f5fa84f9a
9 changed files with 156 additions and 49 deletions
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28
src/lib/collectors.js
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@@ -10,13 +10,16 @@ const timelineEntryCache = new TtlCache(constants.resource_cache_time)
function fetchUser(username) {
return requestCache.getOrFetch("user/"+username, () => {
return request(`https://www.instagram.com/${username}/`).then(res => res.text()).then(text => {
// require down here or have to deal with require loop. require cache will take care of it anyway.
// User -> Timeline -> TimelineImage -> collectors -/> User
const User = require("./structures/User")
const sharedData = extractSharedData(text)
const user = new User(sharedData.entry_data.ProfilePage[0].graphql.user)
return user
return request(`https://www.instagram.com/${username}/`).then(res => {
if (res.status === 404) throw constants.symbols.NOT_FOUND
else return res.text().then(text => {
// require down here or have to deal with require loop. require cache will take care of it anyway.
// User -> Timeline -> TimelineImage -> collectors -/> User
const User = require("./structures/User")
const sharedData = extractSharedData(text)
const user = new User(sharedData.entry_data.ProfilePage[0].graphql.user)
return user
})
})
})
}
@@ -24,7 +27,7 @@ function fetchUser(username) {
/**
* @param {string} userID
* @param {string} after
* @returns {Promise<import("./types").PagedEdges<import("./types").GraphImage>>}
* @returns {Promise<import("./types").PagedEdges<import("./types").TimelineEntryN2>>}
*/
function fetchTimelinePage(userID, after) {
const p = new URLSearchParams()
@@ -36,7 +39,7 @@ function fetchTimelinePage(userID, after) {
}))
return requestCache.getOrFetchPromise("page/"+after, () => {
return request(`https://www.instagram.com/graphql/query/?${p.toString()}`).then(res => res.json()).then(root => {
/** @type {import("./types").PagedEdges<import("./types").GraphImage>} */
/** @type {import("./types").PagedEdges<import("./types").TimelineEntryN2>} */
const timeline = root.data.user.edge_owner_to_timeline_media
return timeline
})
@@ -86,7 +89,12 @@ function fetchShortcodeData(shortcode) {
return request(`https://www.instagram.com/graphql/query/?${p.toString()}`).then(res => res.json()).then(root => {
/** @type {import("./types").TimelineEntryN3} */
const data = root.data.shortcode_media
return data
if (data == null) {
// the thing doesn't exist
throw constants.symbols.NOT_FOUND
} else {
return data
}
})
})
}