(Ruby) Google Sheets Conditional Formatting - Color Gradient

Add a conditional color gradient across a row

For more information, see https://developers.google.com/sheets/api/samples/conditional-formatting#add_a_conditional_color_gradient_across_a_row

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

http = Chilkat::CkHttp.new()

# Implements the following CURL command:

# curl -H "Content-Type: application/json" \
#    -H "Authorization: Bearer ACCESS_TOKEN" \
#    -X POST \
#    -d '{
#   "requests": [
#     {
#       "addConditionalFormatRule": {
#         "rule": {
#           "ranges": [
#             {
#               "sheetId": sheetId,
#               "startRowIndex": 9,
#               "endRowIndex": 10,
#             }
#           ],
#           "gradientRule": {
#             "minpoint": {
#               "color": {
#                 "green": 0.2,
#                 "red": 0.8
#               },
#               "type": "MIN"
#             },
#             "maxpoint": {
#               "color": {
#                 "green": 0.9
#               },
#               "type": "MAX"
#             },
#           }
#         },
#         "index": 0
#       }
#     },
#     {
#       "addConditionalFormatRule": {
#         "rule": {
#           "ranges": [
#             {
#               "sheetId": sheetId,
#               "startRowIndex": 10,
#               "endRowIndex": 11,
#             }
#           ],
#           "gradientRule": {
#             "minpoint": {
#               "color": {
#                 "green": 0.8,
#                 "red": 0.8
#               },
#               "type": "NUMBER",
#               "value": "0"
#             },
#             "maxpoint": {
#               "color": {
#                 "blue": 0.9,
#                 "green": 0.5,
#                 "red": 0.5
#               },
#               "type": "NUMBER",
#               "value": "256"
#             },
#           }
#         },
#         "index": 1
#       }
#     },
#   ]
# }' https://sheets.googleapis.com/v4/spreadsheets/{spreadsheetId}:batchUpdate

# Use the following online tool to generate HTTP code from a CURL command
# Convert a cURL Command to HTTP Source Code

# Use this online tool to generate code from sample JSON:
# Generate Code to Create JSON

# The following JSON is sent in the request body.

# {
#   "requests": [
#     {
#       "addConditionalFormatRule": {
#         "rule": {
#           "ranges": [
#             {
#               "sheetId": sheetId,
#               "startRowIndex": 9,
#               "endRowIndex": 10
#             }
#           ],
#           "gradientRule": {
#             "minpoint": {
#               "color": {
#                 "green": 0.2,
#                 "red": 0.8
#               },
#               "type": "MIN"
#             },
#             "maxpoint": {
#               "color": {
#                 "green": 0.9
#               },
#               "type": "MAX"
#             }
#           }
#         },
#         "index": 0
#       }
#     },
#     {
#       "addConditionalFormatRule": {
#         "rule": {
#           "ranges": [
#             {
#               "sheetId": sheetId,
#               "startRowIndex": 10,
#               "endRowIndex": 11
#             }
#           ],
#           "gradientRule": {
#             "minpoint": {
#               "color": {
#                 "green": 0.8,
#                 "red": 0.8
#               },
#               "type": "NUMBER",
#               "value": "0"
#             },
#             "maxpoint": {
#               "color": {
#                 "blue": 0.9,
#                 "green": 0.5,
#                 "red": 0.5
#               },
#               "type": "NUMBER",
#               "value": "256"
#             }
#           }
#         },
#         "index": 1
#       }
#     }
#   ]
# }

sheetId = "YOUR_SHEET_ID"

json = Chilkat::CkJsonObject.new()
json.UpdateString("requests[0].addConditionalFormatRule.rule.ranges[0].sheetId",sheetId)
json.UpdateInt("requests[0].addConditionalFormatRule.rule.ranges[0].startRowIndex",9)
json.UpdateInt("requests[0].addConditionalFormatRule.rule.ranges[0].endRowIndex",10)
json.UpdateNumber("requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.color.green","0.2")
json.UpdateNumber("requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.color.red","0.8")
json.UpdateString("requests[0].addConditionalFormatRule.rule.gradientRule.minpoint.type","MIN")
json.UpdateNumber("requests[0].addConditionalFormatRule.rule.gradientRule.maxpoint.color.green","0.9")
json.UpdateString("requests[0].addConditionalFormatRule.rule.gradientRule.maxpoint.type","MAX")
json.UpdateInt("requests[0].addConditionalFormatRule.index",0)
json.UpdateString("requests[1].addConditionalFormatRule.rule.ranges[0].sheetId",sheetId)
json.UpdateInt("requests[1].addConditionalFormatRule.rule.ranges[0].startRowIndex",10)
json.UpdateInt("requests[1].addConditionalFormatRule.rule.ranges[0].endRowIndex",11)
json.UpdateNumber("requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.color.green","0.8")
json.UpdateNumber("requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.color.red","0.8")
json.UpdateString("requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.type","NUMBER")
json.UpdateString("requests[1].addConditionalFormatRule.rule.gradientRule.minpoint.value","0")
json.UpdateNumber("requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.blue","0.9")
json.UpdateNumber("requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.green","0.5")
json.UpdateNumber("requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.color.red","0.5")
json.UpdateString("requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.type","NUMBER")
json.UpdateString("requests[1].addConditionalFormatRule.rule.gradientRule.maxpoint.value","256")
json.UpdateInt("requests[1].addConditionalFormatRule.index",1)

# Adds the "Authorization: Bearer ACCESS_TOKEN" header.
http.put_AuthToken("ACCESS_TOKEN")
http.SetRequestHeader("Content-Type","application/json")

# resp is a CkHttpResponse
resp = http.PostJson3("https://sheets.googleapis.com/v4/spreadsheets/{spreadsheetId}:batchUpdate","application/json",json)
if (http.get_LastMethodSuccess() == false)
    print http.lastErrorText() + "\n";
    exit
end

print "Status code: " + resp.get_StatusCode().to_s() + "\n";
print "Response body:" + "\n";
print resp.bodyStr() + "\n";