Reorganize state models for clarity (#378)

src/state/models/profiles-view.ts

@@ -1,52 +0,0 @@
-import {makeAutoObservable} from 'mobx'
-import {LRUMap} from 'lru_map'
-import {RootStoreModel} from './root-store'
-import {AppBskyActorGetProfile as GetProfile} from '@atproto/api'
-
-type CacheValue = Promise<GetProfile.Response> | GetProfile.Response
-export class ProfilesViewModel {
-  cache: LRUMap<string, CacheValue> = new LRUMap(100)
-
-  constructor(public rootStore: RootStoreModel) {
-    makeAutoObservable(
-      this,
-      {
-        rootStore: false,
-        cache: false,
-      },
-      {autoBind: true},
-    )
-  }
-
-  // public api
-  // =
-
-  async getProfile(did: string) {
-    const cached = this.cache.get(did)
-    if (cached) {
-      try {
-        return await cached
-      } catch (e) {
-        // ignore, we'll try again
-      }
-    }
-    try {
-      const promise = this.rootStore.agent.getProfile({
-        actor: did,
-      })
-      this.cache.set(did, promise)
-      const res = await promise
-      this.cache.set(did, res)
-      return res
-    } catch (e) {
-      this.cache.delete(did)
-      throw e
-    }
-  }
-
-  overwrite(did: string, res: GetProfile.Response) {
-    if (this.cache.has(did)) {
-      this.cache.set(did, res)
-    }
-  }
-}