micro_blog_repo_fetchers/src/micro_blog/blue_sky.clj

111 lines
4.7 KiB
Clojure

(ns micro-blog.blue-sky
(:require
[clj-http.client :as http-client]
[micro-blog.pocket-base :as pb]
[micro-blog.utils :as utils]
[malli.core :as m]
[clojure.pprint :refer [pprint]]
[micro-blog.config :refer [config]]))
(defn create-session []
(let [identifier (@config :blue-sky-username)
api-key (@config :blue-sky-api-key)
body {:identifier identifier :password api-key}
url (str (@config :blue-sky-host) "/com.atproto.server.createSession")
res-schema [:map
[:did string?]
[:accessJwt string?]]]
(-> (http-client/post url
{:form-params body
:content-type :json
:as :json})
:body
(utils/validate-with-throw res-schema)
(#(assoc % :access-jwt (:accessJwt %)))
(select-keys [:did :access-jwt]))))
(def post-res-schema [:map
[:cursor [:maybe :string]]
[:feed [:vector
[:map [:post [:map
[:cid :string]
[:author [:map
[:handle :string]]]
[:embed {:optional true}
[:map [:images {:optional true} [:vector [:map
[:fullsize :string]
[:alt :string]]]]]]
[:record [:map
[:facets {:optional true} [:vector [:map
[:features [:vector [:map
[:$type :string]
[:tag {:optional true} [:maybe :string]]]]]]]]
[:createdAt :string]]]]]]]]])
(defn get-posts-until-id
([session id] (get-posts-until-id session id nil []))
([session id cursor prev-posts]
(let [limit 5
body
(-> (http-client/get (str (@config :blue-sky-host) "/app.bsky.feed.getAuthorFeed")
{:headers {"Authorization" (str "Bearer " (session :access-jwt))}
:query-params (cond-> {:actor (:did session)
:limit limit}
cursor (assoc :cursor cursor))
:content-type :json
:as :json})
:body
(utils/validate-with-throw post-res-schema))
posts (map :post (:feed body))
new-cursor (:cursor body)
new-posts (take-while #(not= (:cid %) id) posts)
new-and-prev-posts (concat new-posts prev-posts)]
(cond
;; end of posts
(not= (count posts) limit) new-and-prev-posts
;; found post
(some #(= id (:cid %)) posts) new-and-prev-posts
;; recur
:else (recur session id new-cursor new-and-prev-posts)))))
;; TODO: create post
;; const data = {
;; "remoteId": "test",
;; "authorId": "test",
;; "posted": "2022-01-01 10:00:00.123Z",
;; "source": "pleroma",
;; "tags": [
;; "RELATION_RECORD_ID"
;; ],
;; "fullPost": "JSON",
;; "images": [
;; "RELATION_RECORD_ID"
;; ]
;; };
;;
(defn extract-tags [post]
(let [facets (get (post :record) :facets [])
features (flatten (map :features facets))
tag-features (filter #(= (:$type %) "app.bsky.richtext.facet#tag") features)
tags (map :tag tag-features)]
tags))
(defn extract-images [post]
(let [images (get-in post [:embed :images] [])]
(map #(vector (:fullsize %) (:alt %)) images)))
(defn run []
(let [session (create-session)
last-saved-id (pb/get-latest-post-remote-id-by-source :blue_sky)
new-posts (reverse (get-posts-until-id session last-saved-id))]
(->> new-posts
(map #(hash-map :source :blue_sky
:fullPost %
:remoteId (:cid %)
:authorId (get-in % [:author :handle])
:tags (extract-tags %)
:images (extract-images %)
:posted (get-in % [:record :createdAt])))
(map pb/save-post))))