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1 (function () { |
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2 var duplicateSlots = window.duplicateSlots = function () { |
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3 }; |
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4 // this variable will contain all the org details, and filled |
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5 // incrementally |
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6 var orgs_details = {}; |
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7 // this variable will contain all student/proposal data details, |
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8 // filled incrementally |
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9 var assigned_proposals = []; |
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10 |
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11 // public function to output actual HTML out of the data (cached or not) |
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12 duplicateSlots.showDuplicatesHtml = |
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13 function (orgs_details, student, student_key, proposals) { |
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14 /*jslint undef:false */ |
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15 if (html_string === '') { |
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16 jQuery("#div_duplicate_slots").html(''); |
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17 html_string = '<ul>'; |
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18 } |
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19 html_string += [ |
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20 '<li>', |
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21 ' Student: ', |
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22 ' <strong>', |
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23 ' <a href="/student/show/', student_key, '">', student.name, |
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24 '</a>', |
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25 ' </strong> ', |
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26 '(<a href="mailto:', student.contact, '">', student.contact, '</a>)' |
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27 ].join(""); |
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28 html_string += '<ul>'; |
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29 jQuery(proposals).each( |
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30 function (intIndex, proposal) { |
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31 html_string += [ |
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32 '<li>', |
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33 ' Organization: ', |
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34 ' <a href="/org/show/', proposal.org_key, '">', |
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35 orgs_details[proposal.org_key].name, |
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36 '</a>, admin: ', orgs_details[proposal.org_key].admin_name, |
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37 ' (<a href="mailto:', |
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38 orgs_details[proposal.org_key].admin_email, |
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39 '">', |
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40 orgs_details[proposal.org_key].admin_email, '</a>)</li>' |
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41 ].join(""); |
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42 html_string += [ |
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43 '<ul>', |
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44 ' <li>', |
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45 'Proposal: ', |
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46 '<a href="/student_proposal/show/', proposal.proposal_key, '">', |
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47 proposal.proposal_title, '</a>', |
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48 ' </li>', |
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49 '</ul>' |
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50 ].join(""); |
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51 } |
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52 ); |
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53 html_string += '</ul></li>'; |
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54 html_string += '</ul>'; |
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55 jQuery("#div_duplicate_slots").html(html_string); |
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56 /*jslint undef:true */ |
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57 }; |
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58 |
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59 // private function to generate the JSON to send for caching and calling |
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60 // the actual function that will print the data |
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61 function printDuplicatesAndSendJSON() { |
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62 // JSON skeleton that need to be sent to the server |
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63 var to_json = { |
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64 "data": { |
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65 "orgs" : orgs_details, |
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66 "students": {} |
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67 } |
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68 }; |
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69 // for every student... |
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70 jQuery.each(assigned_proposals, function (student_key, student) { |
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71 var accepted_proposals = student.proposals.length; |
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72 // if accepted proposal are less than 2, then ignore and |
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73 // continue the iteration |
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74 if (accepted_proposals < 2) { |
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75 return true; |
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76 } |
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77 // push this student to the caching JSON |
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78 to_json.data.students[student_key] = student; |
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79 var proposals = student.proposals; |
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80 // call the function that prints the output html |
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81 duplicateSlots.showDuplicatesHtml( |
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82 orgs_details, student, student_key, proposals |
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83 ); |
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84 }); |
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85 /*jslint undef:false */ |
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86 if (html_string === "") { |
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87 /*jslint undef:true */ |
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88 jQuery("#div_duplicate_slots") |
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89 .html("<strong>No duplicate slots found</strong>"); |
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90 } |
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91 // at the end, send the JSON for caching purposes |
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92 jQuery.ajax({ |
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93 url: location.href, |
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94 type: 'POST', |
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95 processData: true, |
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96 data: {result: JSON.stringify(to_json)}, |
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97 contentType: 'application/json', |
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98 dataType: 'json' |
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99 }); |
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100 } |
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101 |
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102 // private function to load a JSON and pushing the data to the |
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103 // private global variables |
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104 function loadSingleJSONData(data) { |
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105 if (data) { |
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106 // pushing org details |
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107 jQuery.each(data.data.orgs, function (org_key, organization) { |
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108 orgs_details[org_key] = organization; |
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109 }); |
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110 // pushing proposals |
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111 jQuery(data.data.proposals).each( |
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112 function (intIndex, proposal) { |
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113 // if this student_key is not yet present |
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114 if (assigned_proposals[proposal.student_key] === undefined) { |
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115 // create the object and insert general info |
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116 assigned_proposals[proposal.student_key] = {}; |
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117 assigned_proposals[proposal.student_key].name = |
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118 proposal.student_name; |
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119 assigned_proposals[proposal.student_key].contact = |
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120 proposal.student_contact; |
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121 assigned_proposals[proposal.student_key].proposals = []; |
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122 } |
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123 // anyway, push the accepted proposals |
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124 assigned_proposals[proposal.student_key].proposals.push( |
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125 { |
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126 "org_key" : proposal.org_key, |
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127 "proposal_key" : proposal.key_name, |
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128 "proposal_title": proposal.proposal_title |
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129 } |
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130 ); |
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131 } |
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132 ); |
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133 } |
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134 } |
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135 |
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136 function showDuplicates(url_to_query, OFFSET_LENGTH, NUMBER_OF_ORGS) { |
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137 var current_offset = 0; |
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138 orgs_details = {}; |
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139 assigned_proposals = []; |
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140 |
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141 // Here Ajax call is handled |
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142 setTimeout( |
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143 function () { |
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144 jQuery.ajax({ |
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145 cache: false, |
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146 mode: "sync", |
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147 type: "GET", |
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148 timeout: 1000000, |
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149 dataType: "json", |
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150 url: [ |
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151 "/program/assigned_proposals/", url_to_query, |
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152 "?limit=", OFFSET_LENGTH, |
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153 "&offset=", current_offset |
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154 ].join(""), |
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155 success: function (data, textStatus) { |
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156 if (data) { |
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157 // Load JSON data |
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158 loadSingleJSONData(data); |
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159 } |
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160 }, |
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161 error: function (XMLHttpRequest, textStatus, errorThrown) { |
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162 // if there is an error return the button and |
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163 // leave a try again message |
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164 if (XMLHttpRequest !== undefined) { |
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165 jQuery("#id_button_duplicate_slots").fadeIn("slow", |
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166 function () { |
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167 jQuery("#description_done").html([ |
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168 "<strong class='error'> ", |
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169 "Error encountered, try again", |
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170 "</strong>" |
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171 ].join("")); |
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172 } |
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173 ); |
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174 } |
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175 } |
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176 }); |
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177 current_offset += OFFSET_LENGTH; |
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178 if (current_offset < NUMBER_OF_ORGS) { |
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179 setTimeout(arguments.callee, 1); |
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180 } |
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181 }, |
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182 1 |
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183 ); |
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184 // This prevent page reloading after each ajax call |
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185 return false; |
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186 } |
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187 |
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188 // public function to begin iterating load of JSONs and then call printing |
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189 // of duplicates |
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190 |
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191 duplicateSlots.showDuplicatesInit = function () { |
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192 /*jslint undef:false */ |
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193 html_string = ''; |
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194 // Remember this object for Javascript scoping |
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195 var this_object = this; |
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196 var NUMBER_OF_ORGS = number_of_orgs; |
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197 var OFFSET_LENGTH = offset_length; |
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198 /*jslint undef:true */ |
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199 // Variables to handle progress bar updating |
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200 var ITERATIONS = (number_of_orgs % offset_length) === 0 ? |
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201 Math.floor(number_of_orgs / offset_length) : |
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202 Math.floor(number_of_orgs / offset_length) + 1; |
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203 |
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204 if (ITERATIONS === 0) { |
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205 jQuery("#div_duplicate_slots") |
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206 .html("<strong>No org slots to process</strong>"); |
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207 return; |
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208 } |
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209 |
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210 var successful_calls = 0; |
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211 |
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212 jQuery("#id_button_duplicate_slots").fadeOut("slow", |
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213 function () { |
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214 jQuery("#duplicates_progress_bar").progressBar(0); |
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215 jQuery("#description_done").html(""); |
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216 // For every ajax success, bind this function to update user feedback |
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217 jQuery(this).bind("ajaxSuccess", function () { |
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218 successful_calls++; |
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219 var percentage = Math.floor(100 * (successful_calls) / (ITERATIONS)); |
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220 jQuery("#duplicates_progress_bar").progressBar(percentage); |
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221 jQuery("#description_progressbar").html([ |
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222 " Processed orgs chunk ", successful_calls, "/", ITERATIONS |
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223 ].join("")); |
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224 // If this is the last call, feedback the user and |
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225 // print the duplicates data |
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226 if (successful_calls === ITERATIONS) { |
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227 jQuery("#applications_progress_bar").fadeOut("slow", |
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228 function () { |
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229 jQuery("#duplicates_progress_bar").progressBar(0); |
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230 jQuery("#id_button_duplicate_slots").fadeIn("slow"); |
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231 } |
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232 ); |
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233 jQuery("#description_progressbar").html(""); |
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234 jQuery("#description_done").html("<strong> Done!</strong>"); |
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235 jQuery("#duplicates_progress_bar").fadeOut("slow", |
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236 function () { |
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237 jQuery("#id_button_duplicate_slots").val("Recalculate").fadeIn( |
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238 "slow", |
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239 function () { |
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240 // Call printing to HTML function with correct scope |
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241 printDuplicatesAndSendJSON.call(this_object); |
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242 } |
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243 ); |
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244 } |
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245 ); |
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246 } |
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247 }); |
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248 // Call the showDuplicates function for the first time |
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249 // with correct scope |
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250 jQuery("#duplicates_progress_bar").fadeIn( |
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251 "slow", |
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252 showDuplicates.apply( |
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253 this_object, |
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254 /*jslint undef:false */ |
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255 [url_to_query, OFFSET_LENGTH, NUMBER_OF_ORGS] |
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256 /*jslint undef:true */ |
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257 ) |
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258 ); |
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259 } |
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260 ); |
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261 }; |
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262 }()); |