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GA-SEI-PROJECT-02

image

Timeframe

1.5 days

Technologies used

  • React
  • Webpack
  • Ajax
  • JavaScript (ES6)
  • HTML5
  • Bulma (CSS framework)
  • SCSS
  • GitHub

Cocktail DB API - React project

This was a pair-coding, hackathon project with Richard Yarwood at General Assembly.

The brief was to:

  • Consume a publicly available API
  • Deliver the data back in a React app

The project consumes data from CocktailDB API.

The site can be run locally by cloning the repository and typing npm i and then npm run serve in the terminal.

App overview

image

The application allows a user to search for a cocktail by single ingredient or name of the cocktail, returning the results under the search input.

Clicking on a cocktail provides information on the ingredients and instructions on how to make the cocktail.

image

Similar cocktails are displayed under each cocktail. This filter is based on the ingredients of the cocktail on display.

Development process

Three endpoints were chosen:

The main page is rendered from four components Home.js, NavBar.js, RandomCocktail.js and CocktailIndex.js.

Choosing from the radio buttons (ingredient or name) sets a search variable which was appended to the api call. A ternary operator allowed us to refactor the code to a simple statement and scrollIntoView was used on submit to maximise the number of results on the page:

handleSubmit(e) {
  e.preventDefault()
  const endpoint = this.state.filter === 'ingredient' ? 'filter.php?i' : 'search.php?s'

  axios.get(`https://www.thecocktaildb.com/api/json/v1/1/${endpoint}=${this.state.search.searchInput}`)
    .then(res => this.setState({ data: res.data }))
    .then(() => this.searchResultsSection.scrollIntoView({ behavior: 'smooth', block: 'start' }))
}

Cocktail detail page

The delivery of the ingredients was a challenge because the data from the API was unstructured with many empty or null values, and the drinks and measures separated in to different key: value pairs.

This was resolved by filtering the response data:

getData(){
  axios.get('https://www.thecocktaildb.com/api/json/v1/1/lookup.php', {
    params: {
      i: this.props.match.params.id
    }
  })
    .then(res => {
      const data = res.data.drinks[0]

      const drinks = Object.keys(data)
        .filter(key => key.match(/ingredient/i))
        .filter(key => !!data[key] || data[key] === ' ')
        .map(key => data[key].trim())

      const measures = Object.keys(data)
        .filter(key => key.match(/measure/i))
        .filter(key => !!data[key] || data[key] === ' ')
        .map(key => data[key].trim())

      const ingredients = drinks.map((drink, index) => {
        return { drink: drinks[index], measure: measures[index] }
      })

      const cocktail = {
        image: data.strDrinkThumb,
        name: data.strDrink,
        instructions: data.strInstructions,
        glass: data.strGlass,
        alcoholic: data.strAlcoholic,
        category: data.strCategory,
        id: data.idDrink,
        ingredients
      }

      this.setState({ cocktail })
    })
}
Similar cocktails

The similar cocktails component was created by randomly choosing an ingredient from the cocktail on show and using this ingredient to make another API call.

getData(){
  const randomIngredient = this.props.ingredients[Math.floor(Math.random() * this.props.ingredients.length)]

  axios.get('https://www.thecocktaildb.com/api/json/v1/1/filter.php', {
    params: {
      i: randomIngredient.drink
    }
  })
    .then(res => {
      const drinks = res.data.drinks.slice(0,5)
      this.setState({ data: drinks })
    })
}

Future enhancements

  • Upgrading the API to allow searches by multiple ingredients.
  • Adding failed search notifications.