1 | /*global Module*/ |
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2 | "use strict"; |
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3 | |
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4 | /** |
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5 | * Class to keep genotypes data |
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6 | */ |
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7 | class Genotypes { |
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8 | |
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9 | /** |
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10 | * Default constructor for genotypes object |
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11 | * @param {string} path path to .gen file with genotypes |
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12 | */ |
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13 | constructor(obj, path) { |
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14 | this.parent = obj; |
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15 | this.loaded = false; |
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16 | this.id = []; |
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17 | this.name = []; |
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18 | this.genotype = []; |
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19 | this.readGenotypesFromFile(path); |
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20 | |
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21 | } |
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22 | |
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23 | /** |
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24 | * Read genotypes from genotypes.gen file. |
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25 | * @param {string} file path to genotypes.gen |
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26 | */ |
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27 | readGenotypesFromFile(file) { |
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28 | let rawFile = new XMLHttpRequest(); |
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29 | rawFile.open("GET", file, true); |
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30 | rawFile.onload = (e) => { |
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31 | if (rawFile.readyState === 4) { |
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32 | if (rawFile.status === 200) { |
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33 | this.readGenotypesFromText(rawFile.responseText); |
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34 | } else { |
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35 | console.error(rawFile.statusText); |
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36 | } |
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37 | } |
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38 | }; |
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39 | rawFile.onerror = (e) => { |
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40 | console.error(rawFile.statusText); |
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41 | }; |
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42 | rawFile.send(null); |
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43 | } |
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44 | |
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45 | /** |
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46 | * Read genotypes from text read from genotypes.gen. TODO mk> This function should be removed; use SDK functionality instead for reliable parsing. |
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47 | * @param {string} text |
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48 | */ |
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49 | readGenotypesFromText(text) { |
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50 | let textTable = text.split('org:\n'); |
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51 | let i = 1; |
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52 | while (i < textTable.length) { |
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53 | let lines = textTable[i].split('\n'); |
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54 | if (lines[0].includes('name:')) { |
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55 | let j = 0; |
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56 | let gen = ''; |
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57 | let name = ''; |
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58 | let id = ''; |
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59 | while (j < lines.length) { |
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60 | if (lines[j].includes('name:')) { |
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61 | name += lines[j].split(':')[1]; |
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62 | } else if (lines[j].includes('genotype:')) { |
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63 | gen += lines[j].replace('genotype:', ''); |
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64 | let k = j + 1; |
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65 | while (!lines[k].includes('info_timestamp:')) { |
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66 | if (lines[k] != '\n') { |
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67 | gen += ' ' + lines[k]; |
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68 | } else { |
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69 | gen += ' ' |
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70 | } |
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71 | k++; |
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72 | } |
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73 | gen = gen.split('~').join(''); |
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74 | } else if (lines[j].includes('num:')) { |
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75 | id += lines[j].split(':')[1]; |
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76 | } |
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77 | j++; |
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78 | } |
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79 | if (!gen.includes('//0')) { |
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80 | this.name.push(name); |
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81 | this.genotype.push(gen); |
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82 | this.id.push(id); |
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83 | } |
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84 | } |
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85 | |
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86 | i++; |
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87 | } |
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88 | this.loaded = true; |
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89 | this.parent.start(); |
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90 | } |
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91 | |
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92 | } |
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93 | |
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94 | |
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95 | export default Genotypes; |
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