Class: Blazer::QueriesController

Inherits:
BaseController
  • Object
show all
Defined in:
app/controllers/blazer/queries_controller.rb

Instance Method Summary collapse

Instance Method Details

#cancel ⇒ Object 



219
220
221
222
 
# File 'app/controllers/blazer/queries_controller.rb', line 219

def cancel
  @data_source.cancel(blazer_run_id)
  head :ok
end

#create ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
 
# File 'app/controllers/blazer/queries_controller.rb', line 49

def create
  @query = Blazer::Query.new(query_params)
  @query.creator = blazer_user if @query.respond_to?(:creator)
  @query.status = "active" if @query.respond_to?(:status)

  if @query.save
    redirect_to query_path(@query, params: variable_params(@query))
  else
    render_errors @query
  end
end

#destroy ⇒ Object 



200
201
202
203
 
# File 'app/controllers/blazer/queries_controller.rb', line 200

def destroy
  @query.destroy if @query.editable?(blazer_user)
  redirect_to root_path
end

#docs ⇒ Object 



209
210
211
212
213
 
# File 'app/controllers/blazer/queries_controller.rb', line 209

def docs
  @smart_variables = @data_source.smart_variables
  @linked_columns = @data_source.linked_columns
  @smart_columns = @data_source.smart_columns
end

#edit ⇒ Object 



84
85
 
# File 'app/controllers/blazer/queries_controller.rb', line 84

def edit
end

#home ⇒ Object 



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'app/controllers/blazer/queries_controller.rb', line 6

def home
  set_queries(1000)

  if params[:filter]
    @dashboards = [] # TODO show my dashboards
  else
    @dashboards = Blazer::Dashboard.order(:name)
    @dashboards = @dashboards.includes(:creator) if Blazer.user_class
  end

  @dashboards =
    @dashboards.map do |d|
      {
        id: d.id,
        name: d.name,
        creator: blazer_user && d.try(:creator) == blazer_user ? "You" : d.try(:creator).try(Blazer.user_name),
        to_param: d.to_param,
        dashboard: true
      }
    end
end

#index ⇒ Object 



28
29
30
31
 
# File 'app/controllers/blazer/queries_controller.rb', line 28

def index
  set_queries
  render json: @queries
end

#new ⇒ Object 



33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'app/controllers/blazer/queries_controller.rb', line 33

def new
  @query = Blazer::Query.new(
    data_source: params[:data_source],
    name: params[:name]
  )
  if params[:fork_query_id]
    @query.statement ||= Blazer::Query.find(params[:fork_query_id]).try(:statement)
  end
  if params[:upload_id]
    upload = Blazer::Upload.find(params[:upload_id])
    upload_settings = Blazer.settings["uploads"]
    @query.data_source ||= upload_settings["data_source"]
    @query.statement ||= "SELECT * FROM #{upload.table_name} LIMIT 10"
  end
end

#refresh ⇒ Object 



179
180
181
182
 
# File 'app/controllers/blazer/queries_controller.rb', line 179

def refresh
  refresh_query(@query)
  redirect_to query_path(@query, params: variable_params(@query))
end

#run ⇒ Object 



87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
 
# File 'app/controllers/blazer/queries_controller.rb', line 87

def run
  @query = Query.find_by(id: params[:query_id]) if params[:query_id]

  # use query data source when present
  data_source = @query.data_source if @query && @query.data_source
  data_source ||= params[:data_source]
  @data_source = Blazer.data_sources[data_source]

  @statement = Blazer::Statement.new(params[:statement], @data_source)
  # before process_vars
  @cohort_analysis = @statement.cohort_analysis?

  # fallback for now for users with open tabs
  # TODO remove fallback in future version
  @var_params = request.request_parameters["variables"] || request.request_parameters
  @success = process_vars(@statement, @var_params)
  @only_chart = params[:only_chart]
  @run_id = blazer_params[:run_id]

  run_cohort_analysis if @cohort_analysis

  query_running = !@run_id.nil?

  if query_running
    @timestamp = blazer_params[:timestamp].to_i

    @result = @data_source.run_results(@run_id)
    @success = !@result.nil?

    if @success
      @data_source.delete_results(@run_id)
      @columns = @result.columns
      @rows = @result.rows
      @error = @result.error
      @just_cached = !@result.error && @result.cached_at.present?
      @cached_at = nil
      params[:data_source] = nil
      render_run
    elsif Time.now > Time.at(@timestamp + (@data_source.timeout || 600).to_i + 5)
      # query lost
      Rails.logger.info "[blazer lost query] #{@run_id}"
      @error = "We lost your query :("
      @rows = []
      @columns = []
      render_run
    else
      continue_run
    end
  elsif @success
    @run_id = blazer_run_id

    async = Blazer.async

    options = {user: blazer_user, query: @query, refresh_cache: params[:check], run_id: @run_id, async: async}
    if async && request.format.symbol != :csv
      Blazer::RunStatementJob.perform_later(@data_source.id, @statement.statement, options.merge(values: @statement.values))
      wait_start = Blazer.monotonic_time
      loop do
        sleep(0.1)
        @result = @data_source.run_results(@run_id)
        break if @result || Blazer.monotonic_time - wait_start > 3
      end
    else
      @result = Blazer::RunStatement.new.perform(@statement, options)
    end

    if @result
      @data_source.delete_results(@run_id) if @run_id && async

      @columns = @result.columns
      @rows = @result.rows
      @error = @result.error
      @cached_at = @result.cached_at
      @just_cached = @result.just_cached

      @forecast = @query && @result.forecastable? && params[:forecast]
      if @forecast
        @result.forecast
        @forecast_error = @result.forecast_error
        @forecast = @forecast_error.nil?
      end

      render_run
    else
      @timestamp = Time.now.to_i
      continue_run
    end
  else
    render layout: false
  end
end

#schema ⇒ Object 



215
216
217
 
# File 'app/controllers/blazer/queries_controller.rb', line 215

def schema
  @schema = @data_source.schema
end

#show ⇒ Object 



61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'app/controllers/blazer/queries_controller.rb', line 61

def show
  @statement = @query.statement_object
  @success = process_vars(@statement)

  @smart_vars = {}
  @sql_errors = []
  @bind_vars.each do |var|
    smart_var, error = parse_smart_variables(var, @statement.data_source)
    @smart_vars[var] = smart_var if smart_var
    @sql_errors << error if error
  end

  @query.update!(status: "active") if @query.respond_to?(:status) && @query.status.in?(["archived", nil])

  add_cohort_analysis_vars if @query.cohort_analysis?

  if @success
    @run_data = {statement: @query.statement, query_id: @query.id, data_source: @query.data_source, variables: variable_params(@query)}
    @run_data[:forecast] = "t" if params[:forecast]
    @run_data[:cohort_period] = params[:cohort_period] if params[:cohort_period]
  end
end

#tables ⇒ Object 



205
206
207
 
# File 'app/controllers/blazer/queries_controller.rb', line 205

def tables
  render json: @data_source.tables
end

#update ⇒ Object 



184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
 
# File 'app/controllers/blazer/queries_controller.rb', line 184

def update
  if params[:commit] == "Fork"
    @query = Blazer::Query.new
    @query.creator = blazer_user if @query.respond_to?(:creator)
  end
  @query.status = "active" if @query.respond_to?(:status)
  unless @query.editable?(blazer_user)
    @query.errors.add(:base, "Sorry, permission denied")
  end
  if @query.errors.empty? && @query.update(query_params)
    redirect_to query_path(@query, params: variable_params(@query))
  else
    render_errors @query
  end
end