func installViews(bucket base.Bucket) error {
// View for finding every Couchbase doc (used when deleting a database)
// Key is docid; value is null
allbits_map := `function (doc, meta) {
emit(meta.id, null); }`
// View for _all_docs
// Key is docid; value is [revid, sequence]
alldocs_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
if ((sync.flags & 1) || sync.deleted)
return;
var channels = sync.channels;
var channelNames = [];
for (ch in channels) {
if (channels[ch] == null)
channelNames.push(ch);
}
emit(meta.id, {r:sync.rev, s:sync.sequence, c:channelNames}); }`
// View for importing unknown docs
// Key is [existing?, docid] where 'existing?' is false for unknown docs
import_map := `function (doc, meta) {
if(meta.id.substring(0,6) != "_sync:") {
var exists = (doc["_sync"] !== undefined);
emit([exists, meta.id], null); } }`
// View for compaction -- finds all revision docs
// Key and value are ignored.
oldrevs_map := `function (doc, meta) {
var sync = doc._sync;
if (meta.id.substring(0,10) == "_sync:rev:")
emit("",null); }`
// All-principals view
// Key is name; value is true for user, false for role
principals_map := `function (doc, meta) {
var prefix = meta.id.substring(0,11);
var isUser = (prefix == %q);
if (isUser || prefix == %q)
emit(meta.id.substring(%d), isUser); }`
principals_map = fmt.Sprintf(principals_map, auth.UserKeyPrefix, auth.RoleKeyPrefix,
len(auth.UserKeyPrefix))
// By-channels view.
// Key is [channelname, sequence]; value is [docid, revid, flag?]
// where flag is true for doc deletion, false for removed from channel, missing otherwise
channels_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sequence === undefined)
return;
var value = {rev:sync.rev};
if (sync.flags) {
value.flags = sync.flags
} else if (sync.deleted) {
value.flags = %d // channels.Deleted
}
if (%v) // EnableStarChannelLog
emit(["*", sequence], value);
var channels = sync.channels;
if (channels) {
for (var name in channels) {
removed = channels[name];
if (!removed)
emit([name, sequence], value);
else {
var flags = removed.del ? %d : %d; // channels.Removed/Deleted
emit([name, removed.seq], {rev:removed.rev, flags: flags});
}
}
}
}`
channels_map = fmt.Sprintf(channels_map, channels.Deleted, EnableStarChannelLog,
channels.Removed|channels.Deleted, channels.Removed)
// Channel access view, used by ComputeChannelsForPrincipal()
// Key is username; value is dictionary channelName->firstSequence (compatible with TimedSet)
access_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var access = sync.access;
if (access) {
for (var name in access) {
emit(name, access[name]);
}
}
}`
// Role access view, used by ComputeRolesForUser()
// Key is username; value is array of role names
roleAccess_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var access = sync.role_access;
if (access) {
for (var name in access) {
emit(name, access[name]);
}
}
}`
ddoc := walrus.DesignDoc{
Views: walrus.ViewMap{
"principals": walrus.ViewDef{Map: principals_map},
"channels": walrus.ViewDef{Map: channels_map},
"access": walrus.ViewDef{Map: access_map},
"role_access": walrus.ViewDef{Map: roleAccess_map},
},
}
err := bucket.PutDDoc("sync_gateway", ddoc)
if err != nil {
base.Warn("Error installing Couchbase design doc: %v", err)
}
ddoc = walrus.DesignDoc{
Views: walrus.ViewMap{
"all_bits": walrus.ViewDef{Map: allbits_map},
"all_docs": walrus.ViewDef{Map: alldocs_map, Reduce: "_count"},
"import": walrus.ViewDef{Map: import_map, Reduce: "_count"},
"old_revs": walrus.ViewDef{Map: oldrevs_map, Reduce: "_count"},
},
}
err = bucket.PutDDoc("sync_housekeeping", ddoc)
if err != nil {
base.Warn("Error installing Couchbase design doc: %v", err)
}
return err
}
func installViews(bucket base.Bucket) error {
// View for finding every Couchbase doc (used when deleting a database)
// Key is docid; value is null
allbits_map := `function (doc, meta) {
emit(meta.id, null); }`
// View for _all_docs
// Key is docid; value is revid
alldocs_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
if (sync.deleted)
return;
emit(meta.id, sync.rev); }`
// View for compaction -- finds all revision docs
// Key and value are ignored.
oldrevs_map := `function (doc, meta) {
var sync = doc._sync;
if (meta.id.substring(0,10) == "_sync:rev:")
emit("",null); }`
// All-principals view
// Key is name; value is true for user, false for role
principals_map := `function (doc, meta) {
var prefix = meta.id.substring(0,11);
var isUser = (prefix == %q);
if (isUser || prefix == %q)
emit(meta.id.substring(%d), isUser); }`
principals_map = fmt.Sprintf(principals_map, auth.UserKeyPrefix, auth.RoleKeyPrefix,
len(auth.UserKeyPrefix))
// By-channels view.
// Key is [channelname, sequence]; value is [docid, revid, flag?]
// where flag is true for doc deletion, false for removed from channel, missing otherwise
channels_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sequence === undefined)
return;
var value = [meta.id, sync.rev];
if (sync.deleted)
value.push(true);
emit(["*", sequence], value);
var channels = sync.channels;
if (channels) {
for (var name in channels) {
removed = channels[name];
if (!removed)
emit([name, sequence], value);
else
emit([name, removed.seq],
[meta.id, removed.rev, !!removed.del, true]);
}
}
}`
// Channel access view, used by ComputeChannelsForPrincipal()
// Key is username; value is dictionary channelName->firstSequence (compatible with TimedSet)
access_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sync.deleted || sequence === undefined)
return;
var access = sync.access;
if (access) {
for (var name in access) {
emit(name, access[name]);
}
}
}`
// Role access view, used by ComputeRolesForUser()
// Key is username; value is array of role names
roleAccess_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sync.deleted || sequence === undefined)
return;
var access = sync.role_access;
if (access) {
for (var name in access) {
emit(name, access[name]);
}
}
}`
ddoc := walrus.DesignDoc{
Views: walrus.ViewMap{
"principals": walrus.ViewDef{Map: principals_map},
"channels": walrus.ViewDef{Map: channels_map},
"access": walrus.ViewDef{Map: access_map},
"role_access": walrus.ViewDef{Map: roleAccess_map},
},
}
err := bucket.PutDDoc("sync_gateway", ddoc)
if err != nil {
base.Warn("Error installing Couchbase design doc: %v", err)
}
ddoc = walrus.DesignDoc{
Views: walrus.ViewMap{
"all_bits": walrus.ViewDef{Map: allbits_map},
"all_docs": walrus.ViewDef{Map: alldocs_map, Reduce: "_count"},
"old_revs": walrus.ViewDef{Map: oldrevs_map, Reduce: "_count"},
},
}
err = bucket.PutDDoc("sync_housekeeping", ddoc)
if err != nil {
base.Warn("Error installing Couchbase design doc: %v", err)
}
return err
}
func installViews(bucket base.Bucket) error {
// View for finding every Couchbase doc (used when deleting a database)
// Key is docid; value is null
allbits_map := `function (doc, meta) {
emit(meta.id, null); }`
// View for _all_docs
// Key is docid; value is revid
alldocs_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
if (sync.deleted)
return;
emit(meta.id, sync.rev); }`
// By-channels view.
// Key is [channelname, sequence]; value is [docid, revid, flag?]
// where flag is true for doc deletion, false for removed from channel, missing otherwise
channels_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sequence === undefined)
return;
var value = [meta.id, sync.rev];
if (sync.deleted)
value.push(true);
emit(["*", sequence], value);
var channels = sync.channels;
if (channels) {
for (var name in channels) {
removed = channels[name];
if (!removed)
emit([name, sequence], value);
else
emit([name, removed.seq], [meta.id, removed.rev, false]);
}
}
}`
// Channel access view, used by ComputeChannelsForPrincipal()
// Key is username; value is dictionary channelName->firstSequence
access_map := `function (doc, meta) {
var sync = doc._sync;
if (sync === undefined || meta.id.substring(0,6) == "_sync:")
return;
var sequence = sync.sequence;
if (sync.deleted || sequence === undefined)
return;
var access = sync.access;
if (access) {
for (var name in access) {
emit(name, access[name]);
}
}
}`
ddoc := walrus.DesignDoc{
Views: walrus.ViewMap{
"all_bits": walrus.ViewDef{Map: allbits_map},
"all_docs": walrus.ViewDef{Map: alldocs_map, Reduce: "_count"},
"channels": walrus.ViewDef{Map: channels_map},
"access": walrus.ViewDef{Map: access_map},
},
}
err := bucket.PutDDoc("sync_gateway", ddoc)
if err != nil {
base.Warn("Error installing Couchbase design doc: %v", err)
}
return err
}
