Class: Auth::Workflow::Location

Inherits:
Object
  • Object
show all
Includes:
Mongoid::Document
Defined in:
app/models/auth/workflow/location.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_approx_duration_field(aggregation_clause, speed) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 153

def self.add_approx_duration_field(aggregation_clause,speed)
	aggregation_clause << {
		"$addFields" => {
			"approx_duration" => {
				"$divide" => 
					[
						"$dist_calculated",
						speed
					]
			}
		}
	}
	aggregation_clause
end

.add_duration_applicable_filter(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 320

def self.add_duration_applicable_filter(aggregation_clause)
	aggregation_clause << {
		"$match" => {
			"duration_applicable" => {
				"$gte" => 0
			}
		}
	}
	aggregation_clause
end

.add_entity_transport_filter(aggregation_clause, query_array) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 351

def self.add_entity_transport_filter(aggregation_clause,query_array)

	aggregation_clause <<
	{
		"$match" => {
			"$or" => 
			[
					
			]
		}
	}

	query_array.each do |arr|

		aggregation_clause.last["$match"]["$or"] << 
		{
			"$and" => arr["categories"].map {|category|			
				
				query_clause = {
					"minutes.categories.category" => category["category"],
					"minutes.categories.entities.duration" => {
						"$lte" => arr["duration"]
					}
				}

				
				if category["transport_capacity"]

					query_clause["minutes.categories.entities.transport_capacity"] =
					{
						"$gte" => category["transport_capacity"]
					}  

					query_clause["minutes.categories.entities.departs_from_location_id"] = arr["location_id"].to_s

					query_clause["minutes.categories.entities.arrives_at_location_categories"] = {
						"$in" => category["arrives_at_location_categories"]
					}

				#else
				
					#query_clause["minutes.categories.capacity"] = {
					#	"$gte" => category["capacity"]
					#}

				end

				category = query_clause
			}
		}
	end

	aggregation_clause
end

.add_geo_filter(aggregation_clause, query_array, coordinates, max_distance, ids_or_categories = "ids") ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 114

def self.add_geo_filter(aggregation_clause,query_array,coordinates,max_distance,ids_or_categories="ids")

	aggregation_clause << {
		"$geoNear" => {
			"near" => {
				"type" => "Point",
				"coordinates" => [coordinates[:lng],coordinates[:lat]]
			},
			"maxDistance" => max_distance,
			"spherical" => true,
			"distanceField" => "dist_calculated",
			"includeLocs" => "dist_location",
			"query" => {
				
			}
		}
	}

	if ids_or_categories
		if ids_or_categories == "ids"
			aggregation_clause.last["$geoNear"]["query"] = {
				"_id" => {
					"$in" => query_array.map{|c| c = c["location_id"]}
				}
			}
		else
			aggregation_clause.last["$geoNear"]["query"] = {
				"location_categories" => {
					"$in" => query_array.map{|c| c = c["location_categories"]}.flatten
				}
			}
		end
	end

	aggregation_clause

end

.add_location_category_filter(aggregation_clause, query_array) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 184

def self.add_location_category_filter(aggregation_clause,query_array)
	aggregation_clause << {
		"$match" => {
			"location_categories" => {
				"$in" => query_array.map{|c| c = c["location_categories"]}.flatten
				}
		}
	}
	aggregation_clause
end

.add_location_id_filter(aggregation_clause, query_array) ⇒ Object

@param query_array @param aggregation_clause



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# File 'app/models/auth/workflow/location.rb', line 173

def self.add_location_id_filter(aggregation_clause,query_array)
	aggregation_clause << {
		"$match" => {
			"_id" => {
				"$in" => query_array.map{|c| c = c["location_id"]}
				}
		}
	}
	aggregation_clause
end

.add_location_minute_category_filter(aggregation_clause, query_array, ids_or_categories = "ids") ⇒ Object

match the catgories as usual, without the duration clause



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# File 'app/models/auth/workflow/location.rb', line 205

def self.add_location_minute_category_filter(aggregation_clause,query_array,ids_or_categories="ids")

	aggregation_clause <<
	{
		"$match" => {
			"$or" => 
			[
					
			]
		}
	}

	## we have to add the duration here.
	## 

	query_array.each do |arr|

		aggregation_clause.last["$match"]["$or"] << {
			"$and" => 
				[
					{
						"minutes.minute" => {
							"$gte" => arr["start_time_range_beginning"],
							"$lte" => arr["start_time_range_end"]
						}
					},
					{
						"minutes.categories" => {
							"$all" => 
							arr["categories"].map{|c|

								qc = {}
								qc["category"] = c["category"]

								if arr["capacity"]
									qc["capacity"] = {
										"$gte" => arr["capacity"]
									}
								end

								if arr["duration"]
									qc["max_free_duration"] = {
										"$gte" => arr["duration"]
									}
								end
								

								c = {
									"$elemMatch" => qc
								}
							}
						}
					}
				]
		}


		if ids_or_categories == "ids"
			aggregation_clause.last["$match"]["$or"].last["$and"] << 
			{ "_id" => arr["location_id"] }
		end 

		if ids_or_categories == "categories"
			aggregation_clause.last["$match"]["$or"].last["$and"] << {
				"location_categories" => {
					"$in" => arr["location_categories"]
				}
			} 
		end

		if arr["consumables"]
			aggregation_clause.last["$match"]["$or"].last["$and"] << 
			{
				"minutes.consumables" => {
					"$all" => []
				}
			}
			arr["consumables"].each do |consumable|
				aggregation_clause.last["$match"]["$or"].last["$and"]["minutes.consumables"]["$all"] << {
					"$elemMatch" => {
						"product_id" => consumable.product_id,
						"quantity" => {
							"$gte" => consumable.quantity
						}
					}
				}	
			end
		end			
	end

	aggregation_clause
end

.add_max_duration_minus_approx_duration_field(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 305

def self.add_max_duration_minus_approx_duration_field(aggregation_clause)
	aggregation_clause << {
		"$addFields" => {
			"duration_applicable" => {
				"$subtract" => 
					[
						"$minutes.categories.max_free_duration",
						"$approx_duration"
					]
			}
		}
	}
	aggregation_clause	
end

.bench ⇒ Object

its basically superfast. so what we need to do is



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# File 'app/models/auth/workflow/location.rb', line 32

def self.bench
	a = []
	10000000.times do |n|
		a << n
	end
	s = []
	10000.times do |k|
		s << k
	end
	Benchmark.bm do |x|
	  
	  x.report "Array#bsearch" do
	    s.size.times do |l|
	    	a.bsearch{|y| y >= l }
		end
	  end
	  
	end

end

.filter_by_location_ids_or_categories?(query_array) ⇒ Boolean

will check if the location ids or categories are to be returned. if neither ids nor categories are specified, then will return nothing.

Returns:

  • (Boolean) 


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# File 'app/models/auth/workflow/location.rb', line 96

def self.filter_by_location_ids_or_categories?(query_array)
	
	ids = query_array.map{|c| c = c["location_id"]}
	
	categories = query_array.map{|c| c = c["location_categories"]}
	
	ids.compact!
	
	categories.compact!

	raise "both location ids and categories provided" if (ids.size > 0 && categories.size > 0)

	return "ids" if ids.size > 0
	return "categories" if categories.size > 0
	return nil

end

.find_entities_non_transport(query_array) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 499

def self.find_entities_non_transport(query_array)
	aggregation_clause = []
	ids_or_categories = filter_by_location_ids_or_categories?(query_array)
	aggregation_clause = add_location_id_filter(aggregation_clause,query_array) if (ids_or_categories == "ids")
	aggregation_clause = add_location_category_filter(aggregation_clause,query_array) if (ids_or_categories == "categories")
	aggregation_clause = unwind_minutes(aggregation_clause)
	aggregation_clause = add_location_minute_category_filter(aggregation_clause,query_array,ids_or_categories)
	aggregation_clause = regroup_from_minutes(aggregation_clause)
	puts JSON.pretty_generate(aggregation_clause)
	Auth.configuration.location_class.constantize.collection.aggregate(aggregation_clause)
end

.find_entities_transport(query_array) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 511

def self.find_entities_transport(query_array)
	puts "came to transport filter."
	aggregation_clause = []
	ids_or_categories = filter_by_location_ids_or_categories?(query_array)
	aggregation_clause = add_location_id_filter(aggregation_clause,query_array) 
	aggregation_clause = unwind_minutes(aggregation_clause)
	aggregation_clause = add_location_minute_category_filter(aggregation_clause,query_array)
	aggregation_clause = unwind_categories(aggregation_clause)
	aggregation_clause = unwind_entities(aggregation_clause)
	aggregation_clause = add_entity_transport_filter(aggregation_clause,query_array)
	aggregation_clause = regroup_from_entities(aggregation_clause)
	puts JSON.pretty_generate(aggregation_clause)
	Auth.configuration.location_class.constantize.collection.aggregate(aggregation_clause)
end

.find_entities_within_circle(query_array, coordinates, max_distance) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 526

def self.find_entities_within_circle(query_array,coordinates,max_distance)
	aggregation_clause = []
	ids_or_categories = filter_by_location_ids_or_categories?(query_array)
	aggregation_clause = add_geo_filter(aggregation_clause,query_array,coordinates,max_distance,ids_or_categories)
	aggregation_clause = unwind_minutes(aggregation_clause)

	aggregation_clause = add_location_minute_category_filter(aggregation_clause,query_array,ids_or_categories)
	aggregation_clause = regroup_from_minutes(aggregation_clause)
	puts JSON.pretty_generate(aggregation_clause)
	Auth.configuration.location_class.constantize.collection.aggregate(aggregation_clause)
end

.regroup_from_categories(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 406

def self.regroup_from_categories(aggregation_clause)

	aggregation_clause << {
		"$group" => {
			"_id" => "$minutes._id",
			"categories" => {
				"$push" => "$minutes.categories"
			},
			"location" => {
				"$push" => "$_id"
			}
		}	
	}

	## the incoming documents are grouped by minute
	## now all we have to do is group them by the first element in the location.
	aggregation_clause <<
		{
			"$group" => {
				"_id" => {
					"$arrayElemAt" => ["$location",0]
				},
				"minutes" => {
					"$push" => "$$ROOT"
				}	
			}
		}

	aggregation_clause
end

.regroup_from_entities(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 437

def self.regroup_from_entities(aggregation_clause)

	## this is not going to work.
	## first group by the categories
	## okay then what to group by ?
	## 

	aggregation_clause << {
			"$group" => {
				"_id" => "$minutes.categories._id",
				"category" => {
					"$first" => "$minutes.categories.category"
				},
				"entities" => {
					"$push" => "$minutes.categories.entities"
				},
				"minute" => {
					"$first" => "$minutes._id"
				},
				"minute_actual" => {
					"$first" => "$minutes.minute"
				},
				"location" => {
					"$first" => "$_id"
				}
			}
		}


	aggregation_clause <<
		{
			"$group" => {
				"_id" => "$minute",
				"location" => {
					"$first" => "$location"
					},
				"minute" => {
					"$first" => "$minute_actual"
				},
				"categories" => {
					"$push" => "$$ROOT"
				}	
			}
		}


	aggregation_clause <<
		{
			"$group" => {
				"_id" => "$location",
				"minutes" => {
					"$push" => "$$ROOT"
				}
			}
		}

	aggregation_clause
end

.regroup_from_minutes(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 338

def self.regroup_from_minutes(aggregation_clause)
	aggregation_clause << 
	{
		"$group" => {
			"_id" => "$_id",
			"minutes" => {
				"$push" => "$minutes"
			}
		}
	}
	aggregation_clause
end

.travel_to_point_with_entities(query_array, coordinates, max_distance, travel_speed) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 538

def self.travel_to_point_with_entities(query_array,coordinates,max_distance,travel_speed)
	aggregation_clause = []
	ids_or_categories = filter_by_location_ids_or_categories?(query_array)
	aggregation_clause = add_geo_filter(aggregation_clause,query_array,coordinates,max_distance,ids_or_categories)
	aggregation_clause = add_approx_duration_field(aggregation_clause,travel_speed)
	aggregation_clause = unwind_minutes(aggregation_clause)
	aggregation_clause = add_location_minute_category_filter(aggregation_clause,query_array,ids_or_categories)
	aggregation_clause = unwind_categories(aggregation_clause)
	aggregation_clause = add_max_duration_minus_approx_duration_field(aggregation_clause)
	aggregation_clause = add_duration_applicable_filter(aggregation_clause)
	aggregation_clause = regroup_from_categories(aggregation_clause)
	puts JSON.pretty_generate(aggregation_clause)
	Auth.configuration.location_class.constantize.collection.aggregate(aggregation_clause)
end

.unwind_categories(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 298

def self.unwind_categories(aggregation_clause)
	aggregation_clause << {
		"$unwind" => "$minutes.categories"	
	}
	aggregation_clause
end

.unwind_entities(aggregation_clause) ⇒ Object 



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# File 'app/models/auth/workflow/location.rb', line 331

def self.unwind_entities(aggregation_clause)
	aggregation_clause << {
		"$unwind" => "$minutes.categories.entities"	
	}
	aggregation_clause
end

.unwind_minutes(aggregation_clause) ⇒ Object

@param query_array @param aggregation_clause



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# File 'app/models/auth/workflow/location.rb', line 197

def self.unwind_minutes(aggregation_clause)
	aggregation_clause << {
		"$unwind" => "$minutes"	
	}
	aggregation_clause
end

Instance Method Details

#geom ⇒ Object

it has to be committed like : => “Point”, :coordinates => [lng,lat]



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# File 'app/models/auth/workflow/location.rb', line 22

field :geom, type: Array