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88 lines
2.5 KiB
88 lines
2.5 KiB
#!/usr/bin/ruby -w
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require "sinatra"
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require "slim"
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require "sqlite3"
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#1.
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# - Kontrollera gems (sinatra, slim, sqlite). Kommer du behöva sessions? Troligen ej, ska endast utföra CRUD på databasen.
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# - Se hur Slimfiler är organierade i mappstrukturen. Följer det REST? Hur kallar man på en slimfil i en mapp?
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# [x]
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#2. Starta upp applikationen och inspektera koden i Chrome (högerklick>inspect). Hur ser länkarna ut? Finns de som routes i app.rb? [x]
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#3. När vi klickar på ett album vill vi även se artisten (inte bara id). Gör ett andra anrop till db och skicka med i locals. [x]
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#4. Skapa en sida där vi lägger till nya album för tex Artisten ACDC (ArtistId 1). Hitta gärna på nya namn på skivorna [x]
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#5. Skapa funktionalitet för att ta bort album [x]
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#6. Skapa funktionalitet för att uppdatera artistinformation [x]
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get "/" do
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slim(:start)
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end
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get "/albums" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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result = db.execute("SELECT * FROM albums")
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p result
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slim(:"albums/index", locals: {albums: result})
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end
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get "/albums/new" do
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slim(:"albums/new")
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end
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post "/albums/new" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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title, art_id = params[:title], params[:artist_id].to_i
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db.execute("INSERT INTO albums (Title, ArtistId) VALUES (?,?)", title, art_id)
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redirect "/albums"
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end
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get "/albums/:id/edit" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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id = params[:id].to_i
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album = db.execute("SELECT * FROM albums WHERE AlbumId = ?", id).first
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slim(:"albums/edit", locals: {album: album})
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end
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post "/albums/:id/update" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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id = params[:id].to_i
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new_title, new_artistid = params[:new_title], params[:new_artistid]
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db.execute("UPDATE albums SET Title = ?, ArtistId = ? WHERE AlbumId = ?", new_title, new_artistid, id)
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redirect "/albums"
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end
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post "/albums/:id/delete" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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id = params[:id].to_i
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db.execute("DELETE FROM albums WHERE AlbumId = ?", id)
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redirect "/albums"
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end
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get "/albums/:id" do
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db = SQLite3::Database.new("db/chinook-crud.db")
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db.results_as_hash = true
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id = params[:id].to_i
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result = db.execute("SELECT * FROM albums WHERE AlbumId = ?", id).first
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artist = db.execute("SELECT Name FROM artists WHERE ArtistId IN (SELECT ArtistId FROM albums WHERE AlbumId = ?)", id).first
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slim(:"albums/show", locals: {result: result, artist: artist})
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end
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