/// <summary>
/// Attempts to unlock the module in the specified context.
/// </summary>
/// <param name="locking">The locking service to work with.</param>
/// <param name="context">The module context to look for the module from.</param>
/// <param name="module">The module to look for.</param>
/// <returns>
/// True if the module was unlocked, false if it was already unlocked, and null if the module cannot
/// be locked.
/// </returns>
public static async Task <bool?> UnlockModuleAsync(this IContextingService locking, ICommandContext context, ModuleDetails module)
{
if (!locking.IsDbLockableContext(context) || !module.IsLockable)
{
return(null);
}
using (var db = locking.GetCommandContextDb()) {
var lockContext = await locking.FindDbLockableContextAsync(db, context, true).ConfigureAwait(false);
if ((!module.IsLockedByDefault && lockContext.LockedModules.Remove(module.Name)) ||
(module.IsLockedByDefault && lockContext.LockedModules.Add(module.Name)))
{
db.ModifyOnly(lockContext, lc => lc.LockedModules);
await db.SaveChangesAsync().ConfigureAwait(false);
return(true);
}
return(false);
}
}
/// <summary>
/// Sets the prefix for the current command context.
/// </summary>
/// <param name="prefixing">The prefixing service to work with.</param>
/// <param name="context">The command context to look for.</param>
/// <param name="newPrefix">The new prefix to set the context to.</param>
/// <returns>
/// True if the prefix was set, false if it was already set to this, and null if the prefix cannot be
/// changed.
/// </returns>
public static async Task <bool?> SetPrefixAsync(this IContextingService prefixing, ICommandContext context, string newPrefix)
{
if (!prefixing.IsDbPrefixContext(context))
{
return(null);
}
using (var db = prefixing.GetCommandContextDb()) {
IDbPrefixContext prefixContext = await prefixing.FindDbPrefixContextAsync(db, context, true).ConfigureAwait(false);
if (prefixContext.Prefix != newPrefix)
{
prefixContext.Prefix = newPrefix;
db.ModifyOnly(prefixContext, pc => pc.Prefix);
await db.SaveChangesAsync().ConfigureAwait(false);
return(true);
}
return(false);
}
}
/// <summary>
/// Sets the manager role Id for the current command context.
/// </summary>
/// <param name="managing">The managing service to work with.</param>
/// <param name="context">The command context to look for.</param>
/// <param name="newRoleId">The new manager role Id to set the context to.</param>
/// <returns>
/// True if the role Id was set, false if it was already set to this, and null if the role Id cannot
/// be changed.
/// </returns>
public static async Task <bool?> SetManagerRoleIdAsync(this IContextingService managing, ICommandContext context, ulong newRoleId)
{
if (!managing.IsDbManagerContext(context))
{
return(null);
}
using (var db = managing.GetCommandContextDb()) {
IDbManagerContext manageContext = await managing.FindDbManagerContextAsync(db, context, true).ConfigureAwait(false);
if (manageContext.ManagerRoleId != newRoleId)
{
manageContext.ManagerRoleId = newRoleId;
db.ModifyOnly(manageContext, pc => pc.ManagerRoleId);
await db.SaveChangesAsync().ConfigureAwait(false);
return(true);
}
return(false);
}
}
/// <summary>
/// Finds the lockable context in the database.
/// </summary>
/// <param name="locking">The locking service to work with.</param>
/// <param name="context">The command context to look for.</param>
/// <returns>The context, or null if it does not exist.</returns>
public static async Task <IDbLockableContext> FindDbLockableContextAsync(this IContextingService locking, ICommandContext context)
{
using (var db = locking.GetCommandContextDb())
return(await locking.FindDbLockableContextAsync(db, context, false).ConfigureAwait(false));
}
/// <summary>
/// Finds the prefix context in the database.
/// </summary>
/// <param name="prefixing">The prefixing service to work with.</param>
/// <param name="context">The command context to look for.</param>
/// <returns>The context, or null if it does not exist.</returns>
public static async Task <IDbPrefixContext> FindDbPrefixContextAsync(this IContextingService prefixing,
ICommandContext context)
{
using (var db = prefixing.GetCommandContextDb())
return(await prefixing.FindDbPrefixContextAsync(db, context, false).ConfigureAwait(false));
}