158 lines
8.9 KiB
Ruby
158 lines
8.9 KiB
Ruby
module JamRuby
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class Teacher < ActiveRecord::Base
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include HtmlSanitize
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html_sanitize strict: [:biography, :website]
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attr_accessor :validate_introduction, :validate_basics, :validate_pricing
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attr_accessible :genres, :teacher_experiences, :experiences_teaching, :experiences_education, :experiences_award
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has_and_belongs_to_many :genres, :class_name => "JamRuby::Genre", :join_table => "teachers_genres", :order=>"description"
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has_and_belongs_to_many :instruments, :class_name => "JamRuby::Instrument", :join_table => "teachers_instruments", :order=>"description"
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has_and_belongs_to_many :subjects, :class_name => "JamRuby::Subject", :join_table => "teachers_subjects", :order=>"description"
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has_and_belongs_to_many :languages, :class_name => "JamRuby::Language", :join_table => "teachers_languages", :order=>"description"
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has_many :teacher_experiences, :class_name => "JamRuby::TeacherExperience"
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has_many :experiences_teaching, :class_name => "JamRuby::TeacherExperience", conditions: {experience_type: 'teaching'}
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has_many :experiences_education, :class_name => "JamRuby::TeacherExperience", conditions: {experience_type: 'education'}
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has_many :experiences_award, :class_name => "JamRuby::TeacherExperience", conditions: {experience_type: 'award'}
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has_one :user, :class_name => 'JamRuby::User'
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validates :user, :presence => true
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validates :biography, length: {minimum: 5, maximum: 4096}, :if => :validate_introduction
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validates :introductory_video, :format=> {:with=> /^(?:https?:\/\/)?(?:www\.)?youtu(?:\.be|be\.com)\/(?:watch\?v=)?([\w-]{10,})/, message: "is not a valid youtube URL"}, :allow_blank => true, :if => :validate_introduction
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validates :years_teaching, :presence => true, :if => :validate_introduction
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validates :years_playing, :presence => true, :if => :validate_introduction
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validates :instruments, :length => { minimum:1, message:"At least one instrument or subject is required"}, if: :validate_basics, unless: ->(teacher){teacher.subjects.length>0}
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validates :subjects, :length => { minimum:1, message:"At least one instrument or subject is required"}, if: :validate_basics, unless: ->(teacher){teacher.instruments.length>0}
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validates :genres, :length => { minimum:1, message:"At least one genre is required"}, if: :validate_basics
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validates :languages, :length => { minimum:1, message:"At least one language is required"}, if: :validate_basics
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validate :offer_pricing, :if => :validate_pricing
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validate :offer_duration, :if => :validate_pricing
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validate :teaches_ages, :if => :validate_basics
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default_scope { includes(:genres) }
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class << self
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def save_teacher(user, params)
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teacher = build_teacher(user, params)
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teacher.save
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teacher
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end
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def build_teacher(user, params)
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# ensure person creating this Teacher is a Musician
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unless user && user.musician?
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raise JamPermissionError, "must be a musician"
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end
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teacher = user.teacher
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teacher ||= user.build_teacher()
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teacher.website = params[:website] if params.key?(:website)
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teacher.biography = params[:biography] if params.key?(:biography)
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teacher.introductory_video = params[:introductory_video] if params.key?(:introductory_video)
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teacher.introductory_video = params[:introductory_video] if params.key?(:introductory_video)
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teacher.years_teaching = params[:years_teaching] if params.key?(:years_teaching)
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teacher.years_playing = params[:years_playing] if params.key?(:years_playing)
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teacher.teaches_age_lower = params[:teaches_age_lower] if params.key?(:teaches_age_lower)
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teacher.teaches_age_upper = params[:teaches_age_upper] if params.key?(:teaches_age_upper)
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teacher.website = params[:website] if params.key?(:website)
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teacher.biography = params[:biography] if params.key?(:biography)
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teacher.teaches_beginner = params[:teaches_beginner] if params.key?(:teaches_beginner)
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teacher.teaches_intermediate = params[:teaches_intermediate] if params.key?(:teaches_intermediate)
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teacher.teaches_advanced = params[:teaches_advanced] if params.key?(:teaches_advanced)
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teacher.prices_per_lesson = params[:prices_per_lesson] if params.key?(:prices_per_lesson)
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teacher.prices_per_month = params[:prices_per_month] if params.key?(:prices_per_month)
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teacher.lesson_duration_30 = params[:lesson_duration_30] if params.key?(:lesson_duration_30)
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teacher.lesson_duration_45 = params[:lesson_duration_45] if params.key?(:lesson_duration_45)
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teacher.lesson_duration_60 = params[:lesson_duration_60] if params.key?(:lesson_duration_60)
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teacher.lesson_duration_90 = params[:lesson_duration_90] if params.key?(:lesson_duration_90)
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teacher.lesson_duration_120 = params[:lesson_duration_120] if params.key?(:lesson_duration_120)
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teacher.price_per_lesson_30_cents = params[:price_per_lesson_30_cents] if params.key?(:price_per_lesson_30_cents)
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teacher.price_per_lesson_45_cents = params[:price_per_lesson_45_cents] if params.key?(:price_per_lesson_45_cents)
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teacher.price_per_lesson_60_cents = params[:price_per_lesson_60_cents] if params.key?(:price_per_lesson_60_cents)
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teacher.price_per_lesson_90_cents = params[:price_per_lesson_90_cents] if params.key?(:price_per_lesson_90_cents)
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teacher.price_per_lesson_120_cents = params[:price_per_lesson_120_cents] if params.key?(:price_per_lesson_120_cents)
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teacher.price_per_month_30_cents = params[:price_per_month_30_cents] if params.key?(:price_per_month_30_cents)
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teacher.price_per_month_45_cents = params[:price_per_month_45_cents] if params.key?(:price_per_month_45_cents)
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teacher.price_per_month_60_cents = params[:price_per_month_60_cents] if params.key?(:price_per_month_60_cents)
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teacher.price_per_month_90_cents = params[:price_per_month_90_cents] if params.key?(:price_per_month_90_cents)
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teacher.price_per_month_120_cents = params[:price_per_month_120_cents] if params.key?(:price_per_month_120_cents)
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# Many-to-many relations:
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if params.key?(:genres)
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genres = params[:genres]
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genres = [] if genres.nil?
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teacher.genres = genres.collect{|genre_id| Genre.find(genre_id)}
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end
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if params.key?(:instruments)
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instruments = params[:instruments]
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instruments = [] if instruments.nil?
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teacher.instruments = instruments.collect{|instrument_id| Instrument.find(instrument_id)}
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end
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if params.key?(:subjects)
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subjects = params[:subjects]
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subjects = [] if subjects.nil?
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teacher.subjects = subjects.collect{|subject_id| Subject.find(subject_id)}
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end
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if params.key?(:languages)
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languages = params[:languages]
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languages = [] if languages.nil?
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teacher.languages = languages.collect{|language_id| Language.find(language_id)}
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end
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# Experience:
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[:teaching, :education, :award].each do |experience_type|
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key = "experiences_#{experience_type}".to_sym
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if params.key?(key)
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list = params[key]
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list = [] if list.nil?
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experiences = list.collect do |exp|
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TeacherExperience.new(
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name: exp[:name],
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experience_type: experience_type,
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organization: exp[:organization],
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start_year: exp[:start_year],
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end_year: exp[:end_year]
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)
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end # collect
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# we blindly destroy/recreate on every resubmit
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previous = teacher.send("#{key.to_s}")
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previous.destroy_all
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# Dynamically call the appropriate method (just setting the
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# value doesn't result in the behavior we need)
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teacher.send("#{key.to_s}=", experiences)
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end # if
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end # do
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# How to validate:
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teacher.validate_introduction = !!params[:validate_introduction]
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teacher.validate_basics = !!params[:validate_basics]
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teacher.validate_pricing = !!params[:validate_pricing]
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teacher
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end
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end
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def offer_pricing
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unless prices_per_lesson.present? || prices_per_month.present?
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errors.add(:offer_pricing, "Must choose to price per lesson or per month")
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end
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end
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def offer_duration
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unless lesson_duration_30.present? || lesson_duration_45.present? || lesson_duration_60.present? || lesson_duration_90.present? || lesson_duration_120.present?
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errors.add(:offer_duration, "Must offer at least one duration")
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end
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end
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def teaches_ages
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if teaches_age_lower > 0 && teaches_age_upper > 0 && (teaches_age_upper < teaches_age_lower)
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errors.add(:ages_taught, "Age range is backwards")
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end
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end
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end
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end
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