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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local ipairs = Luan.ipairs or error()
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4 local Number = require "luan:Number.luan"
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5 local long = Number.long or error()
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6 local float = Number.float or error()
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7 local Table = require "luan:Table.luan"
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8 local concat = Table.concat or error()
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9 local Html = require "luan:Html.luan"
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10 local html_encode = Html.encode or error()
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11 local Db = require "site:/lib/Db.luan"
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12 local Uploadcare = require "site:/lib/Uploadcare.luan"
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13 local uploadcare_url = Uploadcare.url or error()
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14 local uploadcare_thumb_url = Uploadcare.thumb_url or error()
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15 local Utils = require "site:/lib/Utils.luan"
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16 local to_list = Utils.to_list or error()
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17
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18
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19 local Pic = {}
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20
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21 local function from_doc(doc)
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22 doc.type == "pic" or error "wrong type"
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23 return Pic.new {
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24 id = doc.id
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25 uuid = doc.uuid
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26 filename = doc.filename
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27 user_id = doc.pic_user_id
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28 order = doc.pic_order
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29 title = doc.title
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30 is_hidden = doc.is_hidden=="true"
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31 hashtags = doc.hashtags
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32 }
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33 end
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34
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35 local function to_doc(pic)
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36 return {
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37 type = "pic"
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38 id = pic.id
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39 uuid = pic.uuid or error()
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40 filename = pic.filename or error()
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41 pic_user_id = long(pic.user_id)
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42 pic_order = float(pic.order)
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43 title = pic.title or error()
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44 is_hidden = pic.is_hidden and "true" or nil
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45 hashtags = pic.hashtags
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46 }
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47 end
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48
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49 function Pic.new(pic)
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50
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51 function pic.save()
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52 local doc = to_doc(pic)
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53 Db.save(doc)
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54 pic.id = doc.id
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55 end
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56
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57 function pic.reload()
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58 return Pic.get_by_id(pic.id) or error(pic.id)
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59 end
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60
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61 function pic.delete()
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62 Db.run_in_transaction( function()
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63 local id = pic.id
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64 Db.delete("link_owner_id:"..id)
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65 Db.delete("id:"..id)
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66 end )
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67 end
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68
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69 function pic.get_url()
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70 return uploadcare_url(pic.uuid)
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71 end
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72
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73 function pic.get_thumb_url()
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74 return uploadcare_thumb_url(pic.uuid)
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75 end
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76
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77 function pic.title_attr()
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78 local title = pic.title
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79 return [[title="]]..html_encode(title)..[["]]
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80 end
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81
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82 function pic.move_after(prev)
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83 local pics = Pic.get_user_pics(pic.user_id)
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84 if prev == nil then
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85 pic.order = pics[1].order - 1
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86 else
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87 pic.user_id==prev.user_id or error()
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88 for i, x in ipairs(pics) do
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89 if prev.id == x.id then
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90 if i == #pics then
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91 pic.order = prev.order + 1
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92 else
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93 local next = pics[i+1]
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94 pic.order = (prev.order + next.order) / 2
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95 end
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96 return
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97 end
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98 end
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99 error()
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100 end
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101 end
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102
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103 function pic.hashtags_html(base_path)
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104 local hashtags = pic.hashtags
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105 if hashtags == nil then
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106 return ""
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107 end
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108 hashtags = to_list(hashtags)
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109 local t = {}
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110 for _, hashtag in ipairs(hashtags) do
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111 t[#t+1] = `%><a href="<%=base_path%>#<%=hashtag%>">#<%=hashtag%></a><%`
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112 end
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113 return concat(t," ")
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114 end
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115
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116 return pic
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117 end
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118
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119 function Pic.get_by_id(id)
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120 local doc = Db.get_document("id:"..id)
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121 return doc and from_doc(doc)
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122 end
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123
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124 local function from_docs(docs)
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125 local pics = {}
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126 for _, doc in ipairs(docs) do
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127 local pic = from_doc(doc)
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128 pics[#pics+1] = pic
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129 end
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130 return pics
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131 end
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132
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133 function Pic.get_user_pics(user_id)
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134 local docs = Db.search("pic_user_id:"..user_id,1,1000,{sort="pic_order"})
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135 return from_docs(docs)
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136 end
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137
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138 function Pic.search(query,sort,rows)
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139 rows = rows or 1000000
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140 local docs = Db.search(query,1,rows,{sort=sort})
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141 return from_docs(docs)
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142 end
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143
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144 return Pic
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