Add support for filtering based on property exclusion.

For example, allow commands like:

  # exclude issues from context "abc"
  pit list -C abc

  # exclude issues delegated to John Doe
  pit list -P "delgated-to:John Doe"

pit.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "4.12.0"
+version       = "4.19.0"
 author        = "Jonathan Bernard"
 description   = "Personal issue tracker."
 license       = "MIT"
@@ -19,8 +19,8 @@ requires @[
   "https://git.jdb-software.com/jdb/nim-lang-utils.git >= 0.4.0",
   "https://git.jdb-software.com/jdb/nim-time-utils.git >= 0.4.0",
   "https://git.jdb-software.com/jdb/nim-data-uri.git >= 1.0.0",
-  "https://git.jdb-software.com/jdb/update-nim-package-version"
+  "https://git.jdb-software.com/jdb/update-nim-package-version >= 0.2.0"
 ]
 
 task updateVersion, "Update the version of this package.":
-  exec "update_nim_package_version pit 'src/pitpkg/version.nim'"
+  exec "update_nim_package_version pit 'src/pitpkg/cliconstants.nim'"

src/pit.nim

@@ -7,10 +7,9 @@ import algorithm, cliutils, data_uri, docopt, json, logging, options, os,
 from nre import re
 import strutils except alignLeft, capitalize, strip, toUpper, toLower
 import pitpkg/private/libpit
+import pitpkg/cliconstants
 export libpit
 
-include "pitpkg/version.nim"
-
 type
   CliContext = ref object
     cfg*: PitConfig
@@ -149,6 +148,10 @@ proc formatSection(ctx: CliContext, issues: seq[Issue], state: IssueState,
 proc loadIssues(ctx: CliContext, state: IssueState) =
   ctx.issues[state] = loadIssues(ctx.tasksDir / $state)
 
+proc loadOpenIssues(ctx: CliContext) =
+  ctx.issues = newTable[IssueState, seq[Issue]]()
+  for state in [Current, TodoToday, Todo, Pending, Todo]: ctx.loadIssues(state)
+
 proc loadAllIssues(ctx: CliContext) =
   ctx.issues = newTable[IssueState, seq[Issue]]()
   for state in IssueState: ctx.loadIssues(state)
@@ -164,6 +167,16 @@ proc parsePropertiesOption(propsOpt: string): TableRef[string, string] =
     if pair.len == 1: result[pair[0]] = "true"
     else: result[pair[0]] = pair[1]
 
+proc parseExclPropertiesOption(propsOpt: string): TableRef[string, seq[string]] =
+  result = newTable[string, seq[string]]()
+  for propText in propsOpt.split(";"):
+    let pair = propText.split(":", 1)
+    let val =
+      if pair.len == 1: "true"
+      else: pair[1]
+    if result.hasKey(pair[0]): result[pair[0]].add(val)
+    else: result[pair[0]] = @[val]
+
 proc sameDay(a, b: DateTime): bool =
   result = a.year == b.year and a.yearday == b.yearday
 
@@ -192,26 +205,40 @@ proc edit(issue: Issue) =
     let editedIssue = loadIssue(issue.filepath)
     editedIssue.store()
   except:
-    fatal "pit: updated issue is invalid (ignoring edits): \n\t" &
+    fatal "updated issue is invalid (ignoring edits): \n\t" &
       getCurrentExceptionMsg()
     issue.store()
 
-proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState], showToday, showFuture, verbose: bool) =
+proc list(
+    ctx: CliContext,
+    filter: Option[IssueFilter],
+    states: Option[seq[IssueState]],
+    showToday, showFuture,
+    showHidden = false,
+    verbose: bool) =
 
-  if state.isSome:
+  if states.isSome:
-    ctx.loadIssues(state.get)
+    trace "listing issues for " & $states.get
-    if filter.isSome: ctx.filterIssues(filter.get)
+    for state in states.get:
-    if state.get == Done and showToday:
+      ctx.loadIssues(state)
-      ctx.issues[Done] = ctx.issues[Done].filterIt(
+      if filter.isSome: ctx.filterIssues(filter.get)
-        it.hasProp("completed") and
+
-        sameDay(getTime().local, it.getDateTime("completed")))
+      # Show Done for just today if requested
-    stdout.write ctx.formatSection(ctx.issues[state.get], state.get, "", verbose)
+      if state == Done and showToday:
+        ctx.issues[Done] = ctx.issues[Done].filterIt(
+          it.hasProp("completed") and
+          sameDay(getTime().local, it.getDateTime("completed")))
+
+      stdout.write ctx.formatSection(ctx.issues[state], state, "", verbose)
+    trace "listing complete"
     return
 
-  ctx.loadAllIssues()
+  ctx.loadOpenIssues()
-  if filter.isSome: ctx.filterIssues(filter.get)
+  if filter.isSome:
+    ctx.filterIssues(filter.get)
+    trace "filtered issues"
 
-  let today = showToday and [Current, TodoToday].anyIt(
+  let today = showToday and [Current, TodoToday, Pending].anyIt(
     ctx.issues.hasKey(it) and ctx.issues[it].len > 0)
 
   let future = showFuture and [Pending, Todo].anyIt(
@@ -223,9 +250,14 @@ proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState
   if today:
     if future: ctx.writeHeader("Today")
 
-    for s in [Current, TodoToday]:
+    for s in [Current, TodoToday, Pending]:
       if ctx.issues.hasKey(s) and ctx.issues[s].len > 0:
-        stdout.write ctx.formatSection(ctx.issues[s], s, indent, verbose)
+        let visibleIssues = ctx.issues[s].filterIt(
+          showHidden or
+          not (it.hasProp("hide-until") and
+               it.getDateTime("hide-until") > getTime().local))
+
+        stdout.write ctx.formatSection(visibleIssues, s, indent, verbose)
 
   # Future items
   if future:
@@ -233,81 +265,42 @@ proc list(ctx: CliContext, filter: Option[IssueFilter], state: Option[IssueState
 
     for s in [Pending, Todo]:
       if ctx.issues.hasKey(s) and ctx.issues[s].len > 0:
-        stdout.write ctx.formatSection(ctx.issues[s], s, indent, verbose)
+        let visibleIssues = ctx.issues[s].filterIt(
+          showHidden or
+          not (it.hasProp("hide-until") and
+               it.getDateTime("hide-until") > getTime().local))
+
+        stdout.write ctx.formatSection(visibleIssues, s, indent, verbose)
+
+  trace "listing complete"
 
 when isMainModule:
-
  try:
-  let doc = """
-Usage:
-  pit ( new | add) <summary> [<state>] [options]
-  pit list contexts
-  pit list [<stateOrId>] [options]
-  pit ( start | done | pending | todo-today | todo | suspend ) <id>... [options]
-  pit edit <ref>...
-  pit tag <id>... [options]
-  pit untag <id>... [options]
-  pit reorder <state>
-  pit delegate <id> <delegated-to>
-  pit ( delete | rm ) <id>...
-  pit add-binary-property <id> <propName> <propSource>
-  pit get-binary-property <id> <propName> <propDest>
 
-Options:
+  let consoleLogger = newConsoleLogger(
-
+    levelThreshold=lvlInfo,
-  -h, --help                Print this usage information.
+    fmtStr="pit - $levelname: ")
-
+  logging.addHandler(consoleLogger)
-  -p, --properties <props>  Specify properties. Formatted as "key:val;key:val"
-                            When used with the list command this option applies
-                            a filter to the issues listed, only allowing those
-                            which have all of the given properties.
-
-  -c, --context <ctxName>   Shorthand for '-p context:<ctxName>'
-
-  -g, --tags <tags>         Specify tags for an issue.
-
-  -T, --today               Limit to today's issues.
-
-  -F, --future              Limit to future issues.
-
-  -m, --match <pattern>     Limit to issues whose summaries match the given
-                            pattern (PCRE regex supported).
-
-  -M, --match-all <pat>     Limit to the issues whose summaries or details
-                            match the given pattern (PCRE regex supported).
-
-  -v, --verbose             Show issue details when listing issues.
-
-  -q, --quiet               Suppress verbose output.
-
-  -y, --yes                 Automatically answer "yes" to any prompts.
-
-  -C, --config <cfgFile>    Location of the config file (defaults to $HOME/.pitrc)
-
-  -E, --echo-args           Echo arguments (for debug purposes).
-
-  -d, --tasks-dir           Path to the tasks directory (defaults to the value
-                            configured in the .pitrc file)
-
-  --term-width <width>      Manually set the terminal width to use.
-
-  --ptk                     Enable PTK integration for this command.
-"""
-
-  logging.addHandler(newConsoleLogger())
 
   # Parse arguments
-  let args = docopt(doc, version = PIT_VERSION)
+  let args = docopt(USAGE, version = PIT_VERSION)
+
+  if args["--debug"]:
+    consoleLogger.levelThreshold = lvlDebug
 
   if args["--echo-args"]: stderr.writeLine($args)
 
-  if args["--help"]:
+  if args["help"]:
-    stderr.writeLine(doc)
+    stderr.writeLine(USAGE & "\n")
+    stderr.writeLine(ONLINE_HELP)
     quit()
 
   let ctx = initContext(args)
 
+  trace "context initiated"
+
   var propertiesOption = none(TableRef[string,string])
+  var exclPropsOption = none(TableRef[string,seq[string]])
   var tagsOption = none(seq[string])
 
   if args["--properties"] or args["--context"]:
@@ -320,6 +313,20 @@ Options:
 
     propertiesOption = some(props)
 
+  if args["--excl-properties"] or args["--excl-context"]:
+
+    var exclProps =
+      if args["--excl-properties"]:
+        parseExclPropertiesOption($args["--excl-properties"])
+      else: newTable[string,seq[string]]()
+
+    if args["--excl-context"]:
+      if not exclProps.hasKey("context"): exclProps["context"] = @[]
+      let exclContexts = split($args["--excl-context"], ",")
+      exclProps["context"] = exclProps["context"].concat(exclContexts)
+
+    exclPropsOption = some(exclProps)
+
   if args["--tags"]: tagsOption = some(($args["--tags"]).split(",").mapIt(it.strip))
 
   ## Actual command runners
@@ -403,17 +410,25 @@ Options:
       if propertiesOption.isSome:
         for k,v in propertiesOption.get:
           issue[k] = v
-      if targetState == Done: issue["completed"] = getTime().local.formatIso8601
+      if targetState == Done:
+        issue["completed"] = getTime().local.formatIso8601
+        if issue.hasProp("recurrence") and issue.getRecurrence.isSome:
+          let nextIssue = ctx.tasksDir.nextRecurrence(issue.getRecurrence.get, issue)
+          ctx.tasksDir.store(nextIssue, Todo)
+          info "created the next recurrence:"
+          stdout.writeLine ctx.formatIssue(nextIssue)
+
+
       issue.changeState(ctx.tasksDir, targetState)
 
     if ctx.triggerPtk or args["--ptk"]:
       if targetState == Current:
         let issue = ctx.tasksDir.loadIssueById($(args["<id>"][0]))
         var cmd = "ptk start"
-        if issue.tags.len > 0 or issue.properties.hasKey("context"):
+        if issue.tags.len > 0 or issue.hasProp("context"):
           let tags = concat(
             issue.tags,
-            if issue.properties.hasKey("context"): @[issue.properties["context"]]
+            if issue.hasProp("context"): @[issue.properties["context"]]
             else: @[]
           )
           cmd &= " -g \"" & tags.join(",") & "\""
@@ -423,6 +438,13 @@ Options:
       elif targetState == Done or targetState == Pending:
         discard execShellCmd("ptk stop")
 
+  elif args["hide-until"]:
+
+    let issue = ctx.tasksDir.loadIssueById($(args["<id>"]))
+    issue.setDateTime("hide-until", parseDate($args["<date>"]))
+
+    issue.store()
+
   elif args["delegate"]:
 
     let issue = ctx.tasksDir.loadIssueById($(args["<id>"]))
@@ -452,6 +474,11 @@ Options:
       filter.properties = propertiesOption.get
       filterOption = some(filter)
 
+    # Add property exclusions (if given)
+    if exclPropsOption.isSome:
+      filter.exclProperties = exclPropsOption.get
+      filterOption = some(filter)
+
     # If they supplied text matches, add that to the filter.
     if args["--match"]:
       filter.summaryMatch = some(re("(?i)" & $args["--match"]))
@@ -476,15 +503,16 @@ Options:
        filter.properties["context"] == "all":
 
       filter.properties.del("context")
+      filter.exclProperties.del("context")
 
     var listContexts = false
-    var stateOption = none(IssueState)
+    var statesOption = none(seq[IssueState])
-    var issueIdOption = none(string)
+    var issueIdsOption = none(seq[string])
 
     if args["contexts"]: listContexts = true
     elif args["<stateOrId>"]:
-      try: stateOption = some(parseEnum[IssueState]($args["<stateOrId>"]))
+      try: statesOption = some(args["<stateOrId>"].mapIt(parseEnum[IssueState]($it)))
-      except: issueIdOption = some($args["<stateOrId>"])
+      except: issueIdsOption = some(args["<stateOrId>"].mapIt($it))
 
     # List the known contexts
     if listContexts:
@@ -504,16 +532,22 @@ Options:
         stdout.writeLine(c.alignLeft(maxLen+2) & ctx.getIssueContextDisplayName(c))
 
     # List a specific issue
-    elif issueIdOption.isSome:
+    elif issueIdsOption.isSome:
-      let issue = ctx.tasksDir.loadIssueById(issueIdOption.get)
+      for issueId in issueIdsOption.get:
-      stdout.writeLine ctx.formatIssue(issue)
+        let issue = ctx.tasksDir.loadIssueById(issueId)
+        stdout.writeLine ctx.formatIssue(issue)
 
     # List all issues
     else:
+      trace "listing all issues"
       let showBoth = args["--today"] == args["--future"]
-      ctx.list(filterOption, stateOption, showBoth or args["--today"],
+      ctx.list(
-                                          showBoth or args["--future"],
+        filter = filterOption,
-                                          ctx.verbose)
+        states = statesOption,
+        showToday = showBoth or args["--today"],
+        showFuture = showBoth or args["--future"],
+        showHidden = args["--show-hidden"],
+        verbose = ctx.verbose)
 
   elif args["add-binary-property"]:
     let issue = ctx.tasksDir.loadIssueById($(args["<id>"]))
@@ -543,6 +577,6 @@ Options:
     finally: close(propOut)
 
  except:
-  fatal "pit: " & getCurrentExceptionMsg()
+  fatal getCurrentExceptionMsg()
   #raise getCurrentException()
   quit(QuitFailure)

src/pit_api.nim

@@ -5,8 +5,7 @@ import asyncdispatch, cliutils, docopt, jester, json, logging, options, sequtils
 import nre except toSeq
 
 import pitpkg/private/libpit
-
+import pitpkg/cliconstants
-include "pitpkg/version.nim"
 
 type
   PitApiCfg* = object
@@ -40,10 +39,10 @@ template checkAuth(cfg: PitApiCfg) =
   var authed {.inject.} = false
 
   try:
-    if not request.headers.hasKey("Authorization"):
+    if not headers(request).hasKey("Authorization"):
       raiseEx "No auth token."
 
-    let headerVal = request.headers["Authorization"]
+    let headerVal = headers(request)["Authorization"]
     if not headerVal.startsWith("Bearer "):
       raiseEx "Invalid Authentication type (only 'Bearer' is supported)."
 

src/pitpkg/cliconstants.nim

@@ -0,0 +1,169 @@
+const PIT_VERSION* = "4.19.0"
+
+const USAGE* = """Usage:
+  pit ( new | add) <summary> [<state>] [options]
+  pit list contexts [options]
+  pit list [<stateOrId>...] [options]
+  pit ( start | done | pending | todo-today | todo | suspend ) <id>... [options]
+  pit edit <ref>... [options]
+  pit tag <id>... [options]
+  pit untag <id>... [options]
+  pit reorder <state> [options]
+  pit delegate <id> <delegated-to>
+  pit hide-until <id> <date> [options]
+  pit ( delete | rm ) <id>... [options]
+  pit add-binary-property <id> <propName> <propSource> [options]
+  pit get-binary-property <id> <propName> <propDest> [options]
+  pit help
+
+Options:
+
+  -h, --help                Print this usage and help information.
+
+  -p, --properties <props>  Specify properties. Formatted as "key:val;key:val"
+                            When used with the list command this option applies
+                            a filter to the issues listed, only allowing those
+                            which have all of the given properties.
+
+  -P, --excl-properties <props>
+                            When used with the list command, exclude issues
+                            that contain properties with the given value. This
+                            parameter is formatted the same as the --properties
+                            parameter: "key:val;key:val"
+
+  -c, --context <ctx>       Shorthand for '-p context:<ctx>'
+
+  -C, --excl-context <ctx>  Don't show issues from the given context(s).
+                            Multiple contexts can be excluded using a ',' to
+                            separate names. For example: -C ctx1,ctx2
+                            Shorthand for '-P context:<ctx>'
+
+  -g, --tags <tags>         Specify tags for an issue.
+
+  -T, --today               Limit to today's issues.
+
+  -F, --future              Limit to future issues.
+
+  -H, --show-hidden         Show all matching issues, ignoring any 'hide-until'
+                            properties set.
+
+  -m, --match <pattern>     Limit to issues whose summaries match the given
+                            pattern (PCRE regex supported).
+
+  -M, --match-all <pat>     Limit to the issues whose summaries or details
+                            match the given pattern (PCRE regex supported).
+
+  -v, --verbose             Show issue details when listing issues.
+
+  -q, --quiet               Suppress verbose output.
+
+  -y, --yes                 Automatically answer "yes" to any prompts.
+
+  --config <cfgFile>        Location of the config file (defaults to $HOME/.pitrc)
+
+  -E, --echo-args           Echo arguments (for debug purposes).
+
+  -d, --tasks-dir           Path to the tasks directory (defaults to the value
+                            configured in the .pitrc file)
+
+  --term-width <width>      Manually set the terminal width to use.
+
+  --ptk                     Enable PTK integration for this command.
+
+  --debug                   Enable debug-level log output.
+"""
+
+const ONLINE_HELP* = """Issue States:
+
+  PIT organizes issues around their state, which is one of:
+
+    current     - issues actively being worked
+    todo-today  - issues planned for today
+    pending     - issues that are blocked by some third-party
+    done        - issues that have been completely resolved
+    todo        - issues that need to be done in the future
+    dormant     - issues that are low-priority, to be tracked, but hidden
+                  by default
+
+Issue Properties:
+
+  PIT supports adding arbitrary properties to any issue to track any metadata
+  about the issue the user may wish. There are several properties that have
+  special behavior attached to them. They are:
+
+    created
+
+      If present, expected to be an ISO 8601-formatted date that represents the
+      time when the issue was created.
+
+    completed
+
+      If present, expected to be an ISO 8601-formatted date that represents the
+      time when the issue moved to the "done" state.  PIT will add this
+      property automatically when you use the "done" command, and can filter on
+      this value.
+
+    context
+
+      Allows issues to be organized into contexts. The -c option is short-hand
+      for '-p context:<context-name>' and the 'list contexts' command will show
+      all values of 'context' set in existing issues.
+
+    delegated-to
+
+      When an issue now belongs to someone else, but needs to be monitored for
+      completion, this allows you to keep the issue in its current state but
+      note how it has been delegated. When present PIT will prepend this value
+      to the issue summary with an accent color.
+
+    hide-until
+
+      When present, expected to be an ISO 8601-formatted date and used to
+      supress the display of the issue until on or after the given date.
+
+    pending
+
+      When an issue is blocked by a third party, this property can be used to
+      capture details about the dependency When present PIT will display this
+      value after the issue summary.
+
+    recurrence
+
+      When an issue is moved to the "done" state, if the issue has a valid
+      "recurrence" property, PIT will create a new issue and set the
+      "hide-until" property for that new issue depending on the recurrence
+      definition.
+
+      A valid recurrence value has a time value and optionally has an source
+      issue ID. For example:
+
+        every 5 days, 10a544
+
+      The first word, "every", is expected to be either "every" or "after".
+
+      The second portion is expected to be a time period. Supported time units
+      are "hour", "day", "week", "month", an "year", along with the plural
+      forms (e.g. "5 days", "8 hours", etc.).
+
+      The final portion is the source issue ID. This is optional. When a source
+      issue ID is given, the new issue is created as a clone of the given
+      issue. When not given, the issue being closed is used for cloning.
+
+      The "every" and "after" keywords allow the user to choose whether the new
+      issue is created based on the creation time ("every") or the completion
+      time ("after") of the issue being closed based.
+
+      Examples:
+
+        every day
+        every 2 days
+        after 2 days
+        every week
+        after 12 hours
+        every 2 weeks, 10a544
+
+    tags
+
+      If present, expected to be a comma-delimited list of text tags. The -g
+      option is a short-hand for '-p tags:<tags-value>'.
+"""

src/pitpkg/private/libpit.nim

@@ -1,7 +1,7 @@
 import cliutils, docopt, json, logging, langutils, options, os,
-  sequtils, strutils, tables, times, timeutils, uuids
+  sequtils, strformat, strutils, tables, times, timeutils, uuids
 
-from nre import find, match, re, Regex
+import nre except toSeq
 
 type
   Issue* = ref object
@@ -24,15 +24,35 @@ type
     fullMatch*, summaryMatch*: Option[Regex]
     hasTags*: seq[string]
     properties*: TableRef[string, string]
+    exclProperties*: TableRef[string, seq[string]]
 
   PitConfig* = ref object
     tasksDir*: string
     contexts*: TableRef[string, string]
     cfg*: CombinedConfig
 
+  Recurrence* = object
+    cloneId*: Option[string]
+    interval*: TimeInterval
+    isFromCompletion*: bool
+
 const DONE_FOLDER_FORMAT* = "yyyy-MM"
 
 let ISSUE_FILE_PATTERN = re"[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}\.txt"
+let RECURRENCE_PATTERN = re"(every|after) ((\d+) )?((hour|day|week|month|year)s?)(, ([0-9a-fA-F]+))?"
+
+let traceStartTime = cpuTime()
+var lastTraceTime = traceStartTime
+
+proc trace*(msg: string, diffFromLast = false) =
+  let curTraceTime = cpuTime()
+
+  if diffFromLast:
+    debug &"{(curTraceTime - lastTraceTime) * 1000:6.2f}ms {msg}"
+  else:
+    debug &"{cpuTime() - traceStartTime:08.4f} {msg}"
+
+  lastTraceTime = curTraceTime
 
 proc displayName*(s: IssueState): string =
   case s
@@ -64,6 +84,30 @@ proc getDateTime*(issue: Issue, key: string, default: DateTime): DateTime =
 proc setDateTime*(issue: Issue, key: string, dt: DateTime) =
   issue.properties[key] = dt.formatIso8601
 
+proc getRecurrence*(issue: Issue): Option[Recurrence] =
+  if not issue.hasProp("recurrence"): return none[Recurrence]()
+
+  let m = issue["recurrence"].match(RECURRENCE_PATTERN)
+
+  if not m.isSome:
+    warn "not a valid recurrence value: '" & issue["recurrence"] & "'"
+    return none[Recurrence]()
+
+  let c = nre.toSeq(m.get.captures)
+  let timeVal = if c[2].isSome: c[2].get.parseInt
+                else: 1
+  return some(Recurrence(
+    isFromCompletion: c[0].get == "after",
+    interval:
+      case c[4].get:
+        of "hour": hours(timeVal)
+        of "day": days(timeVal)
+        of "week": weeks(timeVal)
+        of "month": months(timeVal)
+        of "year": years(timeVal)
+        else: weeks(1),
+    cloneId: c[6]))
+
 ## Issue filtering
 proc initFilter*(): IssueFilter =
   result = IssueFilter(
@@ -71,7 +115,8 @@ proc initFilter*(): IssueFilter =
     fullMatch: none(Regex),
     summaryMatch: none(Regex),
     hasTags: @[],
-    properties: newTable[string, string]())
+    properties: newTable[string, string](),
+    exclProperties: newTable[string,seq[string]]())
 
 proc propsFilter*(props: TableRef[string, string]): IssueFilter =
   if isNil(props):
@@ -105,6 +150,23 @@ proc groupBy*(issues: seq[Issue], propertyKey: string): TableRef[string, seq[Iss
     result[key].add(i)
 
 
+## Parse and format dates
+const DATE_FORMATS = [
+  "MM/dd",
+  "MM-dd",
+  "yyyy-MM-dd",
+  "yyyy/MM/dd",
+  "yyyy-MM-dd'T'hh:mm:ss"
+]
+proc parseDate*(d: string): DateTime =
+  var errMsg = ""
+  for df in DATE_FORMATS:
+    try: return d.parse(df)
+    except:
+      errMsg &= "\n\tTried " & df & " with " & d
+      continue
+  raise newException(ValueError, "Unable to parse input as a date: " & d & errMsg)
+
 ## Parse and format issues
 proc fromStorageFormat*(id: string, issueTxt: string): Issue =
   type ParseState = enum ReadingSummary, ReadingProps, ReadingDetails
@@ -204,6 +266,8 @@ proc storeOrder*(issues: seq[Issue], path: string) =
 proc loadIssues*(path: string): seq[Issue] =
   let orderFile = path / "order.txt"
 
+  trace "loading issues under " & path
+
   let orderedIds =
     if fileExists(orderFile):
       toSeq(orderFile.lines)
@@ -219,6 +283,7 @@ proc loadIssues*(path: string): seq[Issue] =
     if extractFilename(path).match(ISSUE_FILE_PATTERN).isSome():
       unorderedIssues.add((loadIssue(path), false))
 
+  trace "loaded " & $unorderedIssues.len & " issues", true
   result = @[]
 
   # Add all ordered issues in order
@@ -233,6 +298,8 @@ proc loadIssues*(path: string): seq[Issue] =
     if taggedIssue.ordered: continue
     result.add(taggedIssue.issue)
 
+  trace "ordered the loaded issues", true
+
   # Finally, save current order
   result.storeOrder(path)
 
@@ -244,6 +311,37 @@ proc changeState*(issue: Issue, tasksDir: string, newState: IssueState) =
 
 proc delete*(issue: Issue) = removeFile(issue.filepath)
 
+proc nextRecurrence*(tasksDir: string, rec: Recurrence, defaultIssue: Issue): Issue =
+  let baseIssue = if rec.cloneId.isSome: tasksDir.loadIssueById(rec.cloneId.get)
+                  else: defaultIssue
+
+  let newProps = newTable[string,string]()
+  for k, v in baseIssue.properties:
+    if k != "completed": newProps[k] = v
+  newProps["prev-recurrence"] = $baseIssue.id
+
+  result = Issue(
+    id: genUUID(),
+    summary: baseIssue.summary,
+    properties: newProps,
+    tags: baseIssue.tags)
+
+  let now = getTime().local
+
+  let startDate =
+    if rec.isFromCompletion:
+      if baseIssue.hasProp("completed"): baseIssue.getDateTime("completed")
+      else: now
+    else:
+      if baseIssue.hasProp("created"): baseIssue.getDateTime("created")
+      else: now
+
+  # walk the calendar until the next recurrence that is after the current time.
+  var nextTime = startDate + rec.interval
+  while now > nextTime: nextTime += rec.interval
+
+  result.setDateTime("hide-until", nextTime)
+
 ## Utilities for working with issue collections.
 proc filter*(issues: seq[Issue], filter: IssueFilter): seq[Issue] =
   result = issues
@@ -251,6 +349,12 @@ proc filter*(issues: seq[Issue], filter: IssueFilter): seq[Issue] =
   for k,v in filter.properties:
     result = result.filterIt(it.hasProp(k) and it[k] == v)
 
+  for k,v in filter.exclProperties:
+    result = result.filter(proc (iss: Issue): bool =
+      not iss.hasProp(k) or
+      not v.anyIt(it == iss[k])
+    )
+
   if filter.completedRange.isSome:
     let range = filter.completedRange.get
     result = result.filterIt(
@@ -278,14 +382,14 @@ proc loadConfig*(args: Table[string, Value] = initTable[string, Value]()): PitCo
     foldl(pitrcLocations, if len(a) > 0: a elif fileExists(b): b else: "")
 
   if not fileExists(pitrcFilename):
-    warn "pit: could not find .pitrc file: " & pitrcFilename
+    warn "could not find .pitrc file: " & pitrcFilename
     if isEmptyOrWhitespace(pitrcFilename):
       pitrcFilename = $getEnv("HOME") & "/.pitrc"
     var cfgFile: File
     try:
       cfgFile = open(pitrcFilename, fmWrite)
       cfgFile.write("{\"tasksDir\": \"/path/to/tasks\"}")
-    except: warn "pit: could not write default .pitrc to " & pitrcFilename
+    except: warn "could not write default .pitrc to " & pitrcFilename
     finally: close(cfgFile)
 
   var cfgJson: JsonNode

src/pitpkg/version.nim

@@ -1 +0,0 @@
-const PIT_VERSION* = "4.12.0"