Yle search

SearchBehaviour.cs

using System;
using UnityEngine;
using System.Collections;
using System.Linq;
using System.Text;
using UnityEngine.UI;
using Object = UnityEngine.Object;

public class SearchBehaviour : MonoBehaviour
{
    private Object thisLock = new Object();
    public Slider slider;
    public Scrollbar scrollbar;
    public GameObject listParent;
    public GameObject listItem;
    public YleManager yle;
    public InputField query;
    private int amount = 10;
    private int position;

    void Start()
    {
        yle = new YleManager();
        slider.onValueChanged.AddListener(o => PagingChanged());
        scrollbar.onValueChanged.AddListener(o => ScrollChanged());
    }

    private void ScrollChanged()
    {
        if (Math.Abs(scrollbar.value) < 0.0001)
        {
            SearchYle(position + amount, amount, true);
        }
    }

    private void PagingChanged()
    {
        SearchYle((int)slider.value * 10);
    }


    void Update()
    {
        if (Input.GetKeyDown(KeyCode.KeypadEnter) || Input.GetKeyDown(KeyCode.Return))
        {
            SearchYle();
        }
    }

    public void SearchYle(int skip = 0, int take = 10, bool append = false)
    {
        lock (thisLock)
        {
            position = skip;
            if (!append) RemoveExistingItems();

            var uri = yle.GetYleUri(query.text, skip, take);
            Debug.Log(uri);

            var www = new WWW(uri);
            StartCoroutine(WaitForRequest(www, ParseRequest));
        }
    }

    private IEnumerator WaitForRequest(WWW www, Action<string> action)
    {
        yield return www;

        if (www.error == null)
            action(www.text);
        else
            Debug.Log("WWW Error: " + www.error);
    }

    private void ParseRequest(string json)
    {

        var root = JsonUtility.FromJson<Serializables.Rootobject>(json);
        var sb = new StringBuilder();
        var skip = int.Parse(root.meta.offset);
        slider.maxValue = root.meta.count == 0 ? 0 : (root.meta.count - 1) / 10;

        foreach (var titleFi in root.data.Select(o => o.title.fi))
        {
            var go = Instantiate(listItem);
            go.transform.SetParent(listParent.transform);
            go.transform.Find("ElementTitle").GetComponent<Text>().text = titleFi;
            sb.AppendLine(string.Format("{0})\t{1}", ++skip, titleFi));
        }

        if (root.meta.count > amount && root.data.Length == amount && Math.Abs(scrollbar.size) > 0.9999)
        {
            SearchYle(position + amount, amount, true);
        }

        Debug.Log(sb.ToString());
    }

    private void RemoveExistingItems()
    {
        while (listParent.transform.childCount > 0)
        {
            var c = listParent.transform.GetChild(0);
            c.SetParent(null);
            Destroy(c.gameObject);
        }
    }
}

Serializables.cs

using UnityEngine;
using System.Collections;

public static class Serializables
{
    [System.Serializable]
    public class Rootobject
    {
        public string apiVersion;
        public Meta meta;
        public Datum[] data;
    }
    [System.Serializable]
    public class Meta
    {
        public string offset;
        public string limit;
        public int count;
        public int program;
        public int clip;
        public string q;
    }
    [System.Serializable]
    public class Datum
    {
        public Title title;
    }
    [System.Serializable]
    public class Title
    {
        public string fi;
        public string sv;
        public string en;
    }
}

YleManager.cs

using UnityEngine;
using System.Collections.Generic;
using System.Linq;

public class YleManager
{
    private readonly string _appServer;
    private readonly string _appId;
    private readonly string _appKey;

    public YleManager(
        string appId = "d055de8a",
        string appKey = "6f4b3d0a16c6b47d61709b3a280ece34",
        string appServer = "https://external.api.yle.fi/v1/programs/items.json?")
    {
        _appServer = appServer;
        _appId = appId;
        _appKey = appKey;
    }

    public string GetYleUri(string query, int skip = 0, int take = 10)
    {
        var parameters = new Dictionary<string, string>
            {
                { "q",  WWW.EscapeURL(query)},
                { "offset", skip.ToString()},
                { "limit", take.ToString()},
                { "app_id", _appId},
                { "app_key", _appKey}
            }
        .Select(o => string.Format("{0}={1}", o.Key, o.Value))
        .ToArray();

        return _appServer + string.Join("&", parameters);
    }
}