OBR-289: Add FloatAtLeast(1) validation for max_calls_per_agent

Author: obolobova

docs/resources/outbound_campaign.md

@@ -96,7 +96,7 @@ resource "genesyscloud_outbound_campaign" "campaign2" {
 - `dynamic_contact_queueing_settings` (Block List, Max: 1) Settings for dynamic queueing of contacts. If not set, default dynamic contact queue settings will be applied (see [below for nested schema](#nestedblock--dynamic_contact_queueing_settings))
 - `dynamic_line_balancing_settings` (Block List, Max: 1) Dynamic line balancing settings. (see [below for nested schema](#nestedblock--dynamic_line_balancing_settings))
 - `edge_group_id` (String) The EdgeGroup that will place the calls. Required for all dialing modes except preview.
-- `max_calls_per_agent` (Number) The maximum number of calls that can be placed per agent on this campaign. Supports decimal values (e.g., 1.5, 2.3).
+- `max_calls_per_agent` (Number) The maximum number of calls that can be placed per agent on this campaign. Must be >= 1. Supports decimal values (e.g., 1.5, 2.3).
 - `no_answer_timeout` (Number) How long to wait before dispositioning a call as 'no-answer'. Default 30 seconds. Only applicable to non-preview campaigns.
 - `outbound_line_count` (Number) The number of outbound lines to be concurrently dialed. Only applicable to non-preview campaigns; only required for agentless.
 - `preview_time_out_seconds` (Number) The number of seconds before a call will be automatically placed on a preview. A value of 0 indicates no automatic placement of calls. Only applicable to preview campaigns.

genesyscloud/outbound_campaign/resource_genesyscloud_outbound_campaign_schema.go

@@ -112,9 +112,10 @@ func ResourceOutboundCampaign() *schema.Resource {
 				Type:        schema.TypeFloat,
 			},
 			`max_calls_per_agent`: {
-				Description: `The maximum number of calls that can be placed per agent on this campaign. Supports decimal values (e.g., 1.5, 2.3).`,
-				Optional:    true,
-				Type:        schema.TypeFloat,
+				Description:  `The maximum number of calls that can be placed per agent on this campaign. Must be >= 1. Supports decimal values (e.g., 1.5, 2.3).`,
+				Optional:     true,
+				Type:         schema.TypeFloat,
+				ValidateFunc: validation.FloatAtLeast(1),
 			},
 			`dnc_list_ids`: {
 				Description: `DncLists for this Campaign to check before placing a call.`,