Class: ActivePostgrest::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/active_postgrest/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base_url = ENV.fetch('POSTGREST_URL'), jwt_token = nil) ⇒ Client

Returns a new instance of Client.



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# File 'lib/active_postgrest/client.rb', line 8

def initialize(base_url = ENV.fetch('POSTGREST_URL'), jwt_token = nil)
  @base_url = base_url
  @auth_header = "Bearer #{jwt_token}" if jwt_token
  @conn = Faraday.new(base_url, request: { params_encoder: Faraday::FlatParamsEncoder }) do |f|
    f.request :json
    f.response :json
  end
end

Instance Attribute Details

#base_url ⇒ Object (readonly)

Returns the value of attribute base_url.



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# File 'lib/active_postgrest/client.rb', line 6

def base_url
  @base_url
end

Instance Method Details

#anonymous ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 47

def anonymous
  self.class.new(@base_url)
end

#explain(resource, params = {}, schema: nil) ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 29

def explain(resource, params = {}, schema: nil)
  @conn.get(resource, params) do |req|
    auth_headers(req)
    req.headers['Accept']          = 'application/vnd.pgrst.plan+text; for="application/json"; options=verbose'
    req.headers['Accept-Profile']  = schema if schema
  end.body
end

#get(resource, params = {}, count: :exact, schema: nil) ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 37

def get(resource, params = {}, count: :exact, schema: nil)
  response = @conn.get(resource, params) do |req|
    auth_headers(req)
    req.headers['Prefer']         = "count=#{count}"
    req.headers['Accept-Profile'] = schema if schema
  end
  raise_on_error!(response)
  response
end

#openapi ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 17

def openapi
  @openapi ||= @conn.get('/').body
end

#table_schema(table) ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 25

def table_schema(table)
  openapi.dig('definitions', table) || {}
end

#tables ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 21

def tables
  openapi['paths']&.keys&.filter_map { |p| p.delete_prefix('/').then { |s| s.empty? ? nil : s } } || []
end

#with_token(jwt) ⇒ Object 



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# File 'lib/active_postgrest/client.rb', line 51

def with_token(jwt)
  self.class.new(@base_url, jwt)
end