New release_dates endpoint for movie

seasoned_api/src/tmdb/tmdb.js

@@ -3,7 +3,7 @@ const convertTmdbToMovie = require('src/tmdb/convertTmdbToMovie');
 const convertTmdbToShow = require('src/tmdb/convertTmdbToShow');
 const convertTmdbToPerson = require('src/tmdb/convertTmdbToPerson');
 
-const { Credits } = require('src/tmdb/types');
+const { Credits, ReleaseDates} = require('src/tmdb/types');
 // const { tmdbInfo } = require('src/tmdb/types')
 
 class TMDB {
@@ -17,6 +17,7 @@ class TMDB {
       personSearch: 'ps',
       movieInfo: 'mi',
       movieCredits: 'mc',
+      movieReleaseDates: 'mrd',
       showInfo: 'si', 
       personInfo: 'pi',
       miscNowPlayingMovies: 'npm',
@@ -129,6 +130,25 @@ class TMDB {
     }
   }
 
+  tmdbRelaseDatesError(error) {
+    if (error.status === 404) {
+      throw {
+        status: 404,
+        message: error.response.body.status_message
+      }
+    } else if (error.status === 401) {
+      throw {
+        status: 401,
+        message: error.response.body.status_message
+      }
+    }
+
+    throw {
+      status: 500,
+      message: 'An unexpected error occured while fetching release dates from tmdb'
+    }
+  }
+
   movieCredits(identifier) {
     const query = { id: identifier }
     const cacheKey = `${this.cacheTags.movieCredits}:${identifier}`
@@ -139,6 +159,17 @@ class TMDB {
       .then(credits => this.cache.set(cacheKey, credits, 86400))
       .then(credits => Credits.convertFromTmdbResponse(credits))
   }
+
+  movieReleaseDates(identifier) {
+    const query = { id: identifier }
+    const cacheKey = `${this.cacheTags.movieReleaseDates}:${identifier}`
+
+    return this.cache.get(cacheKey)
+      .catch(() => this.tmdb('movieReleaseDates', query))
+      .catch(tmdbError => this.tmdbRelaseDatesError(tmdbError))
+      .then(releaseDates => this.cache.set(cacheKey, releaseDates, 1))
+      .then(releaseDates => ReleaseDates.convertFromTmdbResponse(releaseDates))
+  }
  
   /**
    * Retrieve a specific show by id from TMDB.

seasoned_api/src/tmdb/types.js

@@ -2,5 +2,6 @@ import Movie from './types/movie.js'
 import Show from './types/show.js'
 import Person from './types/person.js'
 import Credits from './types/credits.js'
+import ReleaseDates from './types/releaseDates.js'
 
-module.exports = { Movie, Show, Person, Credits }
+module.exports = { Movie, Show, Person, ReleaseDates }

seasoned_api/src/tmdb/types/releaseDates.js

@@ -0,0 +1,62 @@
+class ReleaseDate {
+  constructor(certification, language, releaseDate, type, note) {
+    this.certification = certification;
+    this.language = language;
+    this.releaseDate = releaseDate;
+    this.type = this.releaseTypeLookup(type);
+    this.note = note;
+  }
+
+  releaseTypeLookup(releaseTypeKey) {
+    const releaseTypeEnum = {
+      1: 'Premier',
+      2: 'Limited theatrical',
+      3: 'Theatrical',
+      4: 'Digital',
+      5: 'Physical',
+      6: 'TV'
+    }
+    if (releaseTypeKey <= Object.keys(releaseTypeEnum).length) {
+      return releaseTypeEnum[releaseTypeKey]
+    } else {
+      // TODO log | Release type not defined, does this need updating?
+      return null
+    }
+  }
+}
+
+class Release { 
+  constructor(country, releaseDates) {
+    this.country = country;
+    this.releaseDates = releaseDates;
+  }
+}
+
+class ReleaseDates { 
+  constructor(id, releases) {
+    this.id = id;
+    this.releases = releases;
+  }
+
+  static convertFromTmdbResponse(response) {
+    console.log('this is relese dates response')
+    const { id, results } = response;
+
+    const releases = results.map(countryRelease => 
+      new Release(
+        countryRelease.iso_3166_1, 
+        countryRelease.release_dates.map(rd => new ReleaseDate(rd.certification, rd.iso_639_1, rd.release_date, rd.type, rd.note))
+      ))
+
+    return new ReleaseDates(id, releases)
+  }
+
+  createJsonResponse() {
+    return JSON.stringify({
+      id: this.id,
+      release_dates: this.releases
+    })
+  }
+}
+
+module.exports = ReleaseDates;