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23
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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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24
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6 local Html = require "luan:Html.luan"
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7 local html_encode = Html.encode or error()
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23
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8 local Db = require "site:/lib/Db.luan"
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9 local languages = require "site:/lib/languages.luan"
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10
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11
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12 local Course = {}
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13
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14 local function from_doc(doc)
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15 doc.type == "course" or error "wrong type"
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16 return Course.new {
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17 id = doc.id
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18 user_id = doc.course_user_id
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19 language = doc.course_language
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24
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20 updated = doc.course_updated
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23
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21 name = doc.name
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22 ai_system_prompt = doc.ai_system_prompt
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23 }
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24 end
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25
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26 local function to_doc(course)
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27 return {
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28 type = "course"
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29 id = course.id
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30 course_user_id = long(course.user_id)
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31 course_language = course.language or error()
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24
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32 course_updated = long(course.updated)
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23
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33 name = course.name or error()
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34 ai_system_prompt = course.ai_system_prompt or error()
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35 }
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36 end
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37
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38 function Course.new(course)
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39
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40 function course.save()
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24
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41 local doc = to_doc(course)
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23
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42 Db.save(doc)
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24
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43 course.id = doc.id
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44 end
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45
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46 function course.name_html()
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47 return html_encode(course.name)
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23
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48 end
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49
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50 function course.language_name()
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51 return languages[course.language].name
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52 end
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53
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54 return course
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55 end
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56
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24
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57 function Course.search(query,sort,rows)
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23
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58 rows = rows or 1000000
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59 local courses = {}
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60 local docs = Db.search(query,1,rows,{sort=sort})
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61 for _, doc in ipairs(docs) do
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62 courses[#courses+1] = from_doc(doc)
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63 end
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64 return courses
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65 end
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66
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67 function Course.get_by_id(id)
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68 local doc = Db.get_document("id:"..id)
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69 return doc and doc.type=="course" and from_doc(doc) or nil
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70 end
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71
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72 return Course
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