Add creation channel model and TTA endppoint update

GetIntoTeachingApi/Controllers/PickListItemsController.cs

@@ -299,5 +299,41 @@ public async Task<IActionResult> GetSubscriptionTypes()
         {
             return Ok(await _store.GetPickListItems("dfe_servicesubscription", "dfe_servicesubscriptiontype").ToListAsync());
         }
+
+        [HttpGet]
+        [Route("contact_creation_channel/sources")]
+        [SwaggerOperation(
+            Summary = "Retrieves the list of contact creation channel sources.",
+            OperationId = "GetContactCreationChannelSources",
+            Tags = new[] { "Pick List Items" })]
+        [ProducesResponseType(typeof(IEnumerable<PickListItem>), StatusCodes.Status200OK)]
+        public async Task<IActionResult> GetContactCreationChannelSources()
+        {
+            return Ok(await _store.GetPickListItems("dfe_contactchannelcreation", "dfe_creationchannelsource").ToListAsync());
+        }
+
+        [HttpGet]
+        [Route("contact_creation_channel/services")]
+        [SwaggerOperation(
+            Summary = "Retrieves the list of contact creation channel services.",
+            OperationId = "GetContactCreationChannelServices",
+            Tags = new[] { "Pick List Items" })]
+        [ProducesResponseType(typeof(IEnumerable<PickListItem>), StatusCodes.Status200OK)]
+        public async Task<IActionResult> GetContactCreationChannelServices()
+        {
+            return Ok(await _store.GetPickListItems("dfe_contactchannelcreation", "dfe_creationchannelservice").ToListAsync());
+        }
+
+        [HttpGet]
+        [Route("contact_creation_channel/activities")]
+        [SwaggerOperation(
+            Summary = "Retrieves the list of contact creation channel activities.",
+            OperationId = "GetContactCreationChannelActivities",
+            Tags = new[] { "Pick List Items" })]
+        [ProducesResponseType(typeof(IEnumerable<PickListItem>), StatusCodes.Status200OK)]
+        public async Task<IActionResult> GetContactCreationChannelActivities()
+        {
+            return Ok(await _store.GetPickListItems("dfe_contactchannelcreation", "dfe_creationchannelactivities").ToListAsync());
+        }
     }
 }

GetIntoTeachingApi/Models/Crm/Candidate.cs

@@ -1,11 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using GetIntoTeachingApi.Attributes;
+using GetIntoTeachingApi.Attributes;
 using GetIntoTeachingApi.Services;
 using GetIntoTeachingApi.Utils;
 using Microsoft.Xrm.Sdk;
 using Swashbuckle.AspNetCore.Annotations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace GetIntoTeachingApi.Models.Crm
 {
@@ -297,15 +297,14 @@ public enum RegistrationStatus
         public CandidatePrivacyPolicy PrivacyPolicy { get; set; }
         [EntityRelationship("dfe_contact_dfe_candidateschoolexperience_ContactId", typeof(CandidateSchoolExperience))]
         public List<CandidateSchoolExperience> SchoolExperiences { get; set; } = new List<CandidateSchoolExperience>();
+        [EntityRelationship("dfe_contact_dfe_contactchannelcreation_ContactId", typeof(ContactChannelCreation))]
+        public List<ContactChannelCreation> ContactChannelCreations { get; set; } = new List<ContactChannelCreation>();
 
-        public Candidate()
-            : base()
-        {
+        public Candidate() : base(){
         }
 
         public Candidate(Entity entity, ICrmService crm, IServiceProvider serviceProvider)
-            : base(entity, crm, serviceProvider)
-        {
+            : base(entity, crm, serviceProvider){
         }
 
         public bool HasTeacherTrainingAdviser()
@@ -333,6 +332,60 @@ public bool IsPlanningToRetakeGcseMathsAndEnglish()
             return new[] { PlanningToRetakeGcseMathsId, PlanningToRetakeGcseEnglishId }.All(g => g == (int)GcseStatus.HasOrIsPlanningOnRetaking);
         }
 
+        /// <summary>
+        /// Allows the configuration of a contact channel for a
+        /// candidate based on the provided contactChannelCreator.
+        /// </summary>
+        public void ConfigureChannel(ICreateContactChannel contactChannelCreator, Guid? candidateId)
+        {
+            if (candidateId == null)
+            {
+                if (contactChannelCreator.CreationChannelSourceId.HasValue)
+                {
+                    ChannelId = null;
+                    AddContactChannelCreation(
+                        channelCreation: !ContactChannelCreations.Any(),
+                        contactChannelCreator: contactChannelCreator);
+                }
+                else
+                {
+                    ChannelId = contactChannelCreator.DefaultContactCreationChannel;
+                }
+            }
+            else // Candidate record already exists 
+            {
+                // NB: we do not update a candidate's ChannelId for an existing record
+                // NB: CreationChannel should always be false for existing candidates
+                if (contactChannelCreator.CreationChannelSourceId.HasValue)
+                {
+                    AddContactChannelCreation(
+                        channelCreation: false,
+                        contactChannelCreator: contactChannelCreator);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Allows automatic creation of an <see cref="ContactChannelCreation"/>
+        /// and assigns to the underlying collection of contact channel creations.
+        /// </summary>
+        /// <param name="channelCreation">
+        /// Predicates the context of the contact channel creation based on the candidate status.
+        /// </param>
+        /// <param name="contactChannelCreator">
+        /// The source of the contact channel creation request, a type
+        /// which implements the <see cref="ICreateContactChannel"/> interface.
+        /// </param>
+        private void AddContactChannelCreation(bool channelCreation, ICreateContactChannel contactChannelCreator)
+        {
+            ContactChannelCreations.Add(
+                ContactChannelCreation.Create(
+                    creationChannel: channelCreation,
+                    sourceId: contactChannelCreator.CreationChannelSourceId,
+                    serviceId: contactChannelCreator.CreationChannelServiceId,
+                    activityId: contactChannelCreator.CreationChannelActivityId));
+        }
+
         public bool MagicLinkTokenExpired() => MagicLinkTokenExpiresAt == null || MagicLinkTokenExpiresAt < DateTime.UtcNow;
         public bool MagicLinkTokenAlreadyExchanged() => MagicLinkTokenStatusId == (int)MagicLinkTokenStatus.Exchanged;
     }

GetIntoTeachingApi/Models/Crm/ContactChannelCreation.cs

@@ -0,0 +1,121 @@
+using GetIntoTeachingApi.Attributes;
+using GetIntoTeachingApi.Services;
+using Microsoft.Xrm.Sdk;
+using System;
+using System.Text.Json.Serialization;
+
+namespace GetIntoTeachingApi.Models.Crm
+{
+    [SwaggerIgnore]
+    [Entity("dfe_contactchannelcreation")]
+    public class ContactChannelCreation : BaseModel, IHasCandidateId
+    {
+        public enum CreationChannelSource
+        {
+            Apply = 222750000,
+            CheckinApp = 222750001,
+            ContactCentre = 222750002,
+            GITWebsite = 222750003,
+            Highfliers = 222750004,
+            HPITT = 222750005,
+            Internships = 222750006,
+            Legacy = 222750007,
+            OnCampus = 222750008, 
+            PaidAdvertising = 222750009,
+            PaidSearch = 222750010,
+            PaidSocial = 222750011,
+            Pipeline = 222750012,
+            SchoolExperience = 222750013, 
+            Scholarships = 222750014
+        }
+
+        public enum CreationChannelService
+        {
+            CreatedOnApply = 222750000,
+            CreatedOnSchoolExperience = 222750001,
+            CreatedOnScholarships = 222750002,
+            CreatedOnInternships = 222750003,
+            CreatedOnHPITT = 222750004,
+            CreatedOnHighfliers = 222750011,
+            ExploreTeachingAdviserService = 222750005,
+            Events = 222750006,
+            MailingList = 222750007,
+            PaidSearch = 222750008,
+            ReturnToTeachingAdviserService = 222750009,
+            TeacherTrainingAdviserService = 222750010
+        }
+
+        public enum CreationChannelActivity
+        {
+            BrandAmbassadorActivity = 222750000,
+            BritishCouncil = 222750001,
+            BRFS = 222750002,
+            BCS = 222750003,
+            CareersEvent = 222750004,
+            CTP = 222750005,
+            DebateMate = 222750006,
+            EngineersTeachPhysics = 222750007,
+            FreshersFairs = 222750008,
+            F2F = 222750009,
+            GradFairs = 222750010,
+            InstituteOfPhysics = 222750011,
+            IMECHE = 222750012,
+            IMA = 222750013,
+            NTP = 222750014,
+            OnsiteActivationDays = 222750015,
+            Over18CareersEvent = 222750016,
+            QuickfireSignUpOnApply = 222750017,
+            RefreshersFairs = 222750018,
+            RussellGroup6 = 222750019,
+            RCS = 222750020,
+            StudentUnionMedia = 222750021,
+            StudentRooms = 222750022,
+            ServiceLeaver = 222750023,
+            Webinar = 222750024
+        }
+
+        [JsonIgnore]
+        [EntityField("dfe_contactid", typeof(EntityReference), "contact")]
+        public Guid CandidateId { get; set; }
+
+        [EntityField("createdby", typeof(EntityReference), "systemuser")]
+        public Guid? CreatedBy { get; set; }
+
+        [EntityField("dfe_creationchannel")] 
+        public bool? CreationChannel { get; set; } = false;
+
+        [EntityField("dfe_creationchannelsource", typeof(OptionSetValue))]
+        public int? CreationChannelSourceId { get; set; }
+
+        [EntityField("dfe_creationchannelservice", typeof(OptionSetValue))]
+        public int? CreationChannelServiceId { get; set; }
+
+        [EntityField("dfe_creationchannelactivities", typeof(OptionSetValue))]
+        public int? CreationChannelActivityId { get; set; }
+
+        public ContactChannelCreation() : base(){
+        }
+
+        public ContactChannelCreation(Entity entity, ICrmService crm, IServiceProvider serviceProvider)
+            : base(entity, crm, serviceProvider){
+        }
+
+        /// <summary>
+        /// Factory method for creating a ContactChannelCreation instance.
+        /// </summary>
+        /// <returns>
+        /// A configured <see cref="ContactChannelCreation"/> instance.
+        /// </returns>
+        public static ContactChannelCreation Create(
+            bool creationChannel,
+            int? sourceId,
+            int? serviceId,
+            int? activityId) => new()
+            {
+                CreationChannel = creationChannel,
+                CreationChannelSourceId = sourceId,
+                CreationChannelServiceId = serviceId,
+                CreationChannelActivityId = activityId,
+            };
+    }
+}

GetIntoTeachingApi/Models/Crm/ICreateContactChannel.cs

@@ -0,0 +1,29 @@
+namespace GetIntoTeachingApi.Models.Crm
+{
+    /// <summary>
+    /// Interface that defines the contract on which objects
+    /// that wish to invoke contact channel creation behaviour must adhere.
+    /// </summary>
+    public interface ICreateContactChannel
+    {
+        /// <summary>
+        /// Provides the default read-only contact creation channel integer value.
+        /// </summary>
+        int? DefaultContactCreationChannel { get; }
+
+        /// <summary>
+        /// Provides the ability to assign and retrieve the channel source creation identifier.
+        /// </summary>
+        int? CreationChannelSourceId { get; set; }
+
+        /// <summary>
+        /// Provides the ability to assign and retrieve the channel service creation identifier.
+        /// </summary>
+        int? CreationChannelServiceId { get; set; }
+
+        /// <summary>
+        /// Provides the ability to assign and retrieve the channel activity creation identifier.
+        /// </summary>
+        int? CreationChannelActivityId { get; set; }
+    }
+}

GetIntoTeachingApi/Models/Crm/Validators/CandidateValidator.cs

@@ -60,6 +60,7 @@ public CandidateValidator(IStore store, IDateTimeProvider dateTime)
             RuleFor(candidate => candidate.ChannelId)
                 .NotNull()
                 .When(candidate => candidate.Id == null)
+                .When(candidate => !candidate.ContactChannelCreations.Any())
                 .SetValidator(new PickListItemIdValidator<Candidate>("contact", "dfe_channelcreation", store));
             RuleFor(candidate => candidate.HasGcseEnglishId)
                 .SetValidator(new PickListItemIdValidator<Candidate>("contact", "dfe_websitehasgcseenglish", store))

GetIntoTeachingApi/Models/Crm/Validators/ContactChannelCreationValidator.cs

@@ -0,0 +1,19 @@
+using FluentValidation;
+using GetIntoTeachingApi.Services;
+using GetIntoTeachingApi.Validators;
+
+namespace GetIntoTeachingApi.Models.Crm.Validators
+{
+    public class ContactChannelCreationValidator : AbstractValidator<ContactChannelCreation>
+    {
+        public ContactChannelCreationValidator(IStore store)
+        {
+            RuleFor(contactChannelCreation => contactChannelCreation.CreationChannelSourceId)
+                .SetValidator(new PickListItemIdValidator<ContactChannelCreation>("dfe_contactchannelcreation", "dfe_creationchannelsource", store));
+            RuleFor(contactChannelCreation => contactChannelCreation.CreationChannelServiceId)
+                .SetValidator(new PickListItemIdValidator<ContactChannelCreation>("dfe_contactchannelcreation", "dfe_creationchannelservice", store));
+            RuleFor(contactChannelCreation => contactChannelCreation.CreationChannelActivityId)
+                .SetValidator(new PickListItemIdValidator<ContactChannelCreation>("dfe_contactchannelcreation", "dfe_creationchannelactivities", store));
+        }
+    }
+}

GetIntoTeachingApi/Models/GetIntoTeaching/GetIntoTeachingCallback.cs

@@ -1,13 +1,13 @@
-using System;
-using System.Text.Json.Serialization;
-using GetIntoTeachingApi.Models.Crm;
+using GetIntoTeachingApi.Models.Crm;
 using GetIntoTeachingApi.Services;
 using GetIntoTeachingApi.Utils;
 using Swashbuckle.AspNetCore.Annotations;
+using System;
+using System.Text.Json.Serialization;
 
 namespace GetIntoTeachingApi.Models.GetIntoTeaching
 {
-    public class GetIntoTeachingCallback
+    public class GetIntoTeachingCallback : ICreateContactChannel
     {
         public Guid? CandidateId { get; set; }
         [SwaggerSchema(WriteOnly = true)]
@@ -20,14 +20,22 @@ public class GetIntoTeachingCallback
         [SwaggerSchema(WriteOnly = true)]
         public DateTime? PhoneCallScheduledAt { get; set; }
         public string TalkingPoints { get; set; }
+
+        [SwaggerSchema(WriteOnly = true)]
+        public int? CreationChannelSourceId { get; set; }
+        [SwaggerSchema(WriteOnly = true)]
+        public int? CreationChannelServiceId { get; set; }
+        [SwaggerSchema(WriteOnly = true)]
+        public int? CreationChannelActivityId { get; set; }
 
         [JsonIgnore]
         public Candidate Candidate => CreateCandidate();
         [JsonIgnore]
         public IDateTimeProvider DateTimeProvider { get; set; } = new DateTimeProvider();
 
-        public GetIntoTeachingCallback()
-        {
+        public int? DefaultContactCreationChannel => (int?)Candidate.Channel.GetIntoTeachingCallback;
+
+        public GetIntoTeachingCallback(){
         }
 
         public GetIntoTeachingCallback(Candidate candidate)
@@ -55,8 +63,7 @@ private Candidate CreateCandidate()
                 LastName = LastName,
                 AddressTelephone = AddressTelephone,
             };
-
-            ConfigureChannel(candidate);
+            candidate.ConfigureChannel(contactChannelCreator: this, candidateId: CandidateId);
             SchedulePhoneCall(candidate);
             AcceptPrivacyPolicy(candidate);
 
@@ -79,14 +86,6 @@ private void SchedulePhoneCall(Candidate candidate)
             }
         }
 
-        private void ConfigureChannel(Candidate candidate)
-        {
-            if (CandidateId == null)
-            {
-                candidate.ChannelId = (int?)Candidate.Channel.GetIntoTeachingCallback;
-            }
-        }
-
         private void AcceptPrivacyPolicy(Candidate candidate)
         {
             if (AcceptedPolicyId != null)